{ "about": { "title": "SaunaHash atlas — Helsinki region sauna records, verified at source 2026-10-01", "record": "One row = one sauna venue a person can enter, book, or (private) use as a member/resident/guest. Swimming-hall and spa saunas, public saunas, rentable saunas, sauna ferries, winter-swimming saunas, service-centre saunas. Shops, place-name matches and sub-units are excluded (research/atlas-2026-10-01/excluded.json).", "status": { "verified": "name, address, access and operation confirmed on 2026-10-01 from the operator or municipal page named in sources, plus the licensed open-data unit where one exists; verifier and verified_at are set.", "disputed": "sources disagree on a fact that matters (address, whether a sauna exists, whether the venue is open); the disagreement is recorded, not resolved.", "closed": "the operator or municipality states the venue is closed (permanently, or for a stated renovation period).", "seed": "known from a licensed open-data source but not yet confirmed at the operator; listed as a gap, not as a venue." }, "coverage": "Benchmark recall = distinct benchmark_id values present / 41 (the Helsinki benchmark of 2026-09-21, data/helsinki-saunas.json). Verified share = status verified / all records. Per-municipality counts are by status. Run: node scripts/atlas-coverage.mjs --data data/atlas-helsinki.json", "facts_only": "Only non-copyrightable facts (existence, name, address, access, open/closed) were taken from operator pages; no text or images are reused. Open-data sources are CC BY 4.0 and carry attribution + retrieval date per source.", "merge": "research/atlas-2026-10-01/merge-verified.py over verified/batch-01..14.json (verifiers lane-c-batch-01..14, 2026-10-01). Attribution wording normalised per licensor; facts untouched.", "attribution_variants_seen": { "City of Helsinki Service Map": 109, "LIPAS, University of Jyväskylä": 44, "Pääkaupunkiseudun palvelukartta, City of Helsinki Service Map, CC BY 4.0": 3, "LIPAS, University of Jyväskylä, CC BY 4.0, retrieved 2026-10-01": 1, "Lipas.fi Jyväskylän yliopisto, 2026-10-01": 1 }, "schema": "data/sauna-record.schema.json" }, "generated_at": "2026-10-01", "page": "https://saunahash.com/helsinki-saunas/", "downloads": { "json": "https://saunahash.com/atlas/helsinki.json", "csv": "https://saunahash.com/atlas/helsinki.csv" }, "license": { "name": "CC BY 4.0", "url": "https://creativecommons.org/licenses/by/4.0/", "attribution": "SaunaHash atlas, saunahash.com, CC BY 4.0", "note": "Open-data fields keep their own CC BY 4.0 attribution (see sources); operator and municipal pages contributed facts only." }, "sources": [ { "id": "service-map-v2", "name": "Helsinki Metropolitan Area Service Map API v2 (Pääkaupunkiseudun palvelukartta)", "url": "https://api.hel.fi/servicemap/v2/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01", "role": "seed + coordinates + licensed unit per record", "uses": 112 }, { "id": "lipas-v2", "name": "LIPAS API v2 (Finnish sports-facility register, University of Jyväskylä)", "url": "https://api.lipas.fi/v2/", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01", "role": "seed + coordinates + sauna flag on winter-swimming / pool records", "uses": 46 }, { "id": "operator-pages", "name": "Operator and municipal web pages (one or more per record; URL in each record)", "url": "https://saunahash.com/atlas/helsinki.json", "licence": "facts-only", "retrieved_at": "2026-10-01", "role": "verification at source", "uses": 175 }, { "id": "benchmark", "name": "Helsinki 41-place benchmark of 2026-09-21 (data/helsinki-saunas.json) — recall denominator only", "url": "https://saunahash.com/helsinki-saunas/", "licence": "facts-only", "retrieved_at": "2026-09-24", "role": "recall denominator", "uses": 41 } ], "benchmark": { "denominator": 41, "as_of": "2026-09-21", "present": 41, "verified": 37, "recall_present": "41/41", "recall_verified": "37/41" }, "coverage": { "records": 104, "verified": 85, "verified_share_pct": 81.7, "by_status": { "verified": 85, "disputed": 8, "closed": 4, "seed": 7 }, "by_municipality": [ { "municipality": "Helsinki", "records": 68, "verified": 58, "disputed": 3, "closed": 2, "seed": 5 }, { "municipality": "Espoo", "records": 19, "verified": 14, "disputed": 3, "closed": 2, "seed": 0 }, { "municipality": "Vantaa", "records": 9, "verified": 8, "disputed": 0, "closed": 0, "seed": 1 }, { "municipality": "Kirkkonummi", "records": 3, "verified": 1, "disputed": 2, "closed": 0, "seed": 0 }, { "municipality": "Inkoo", "records": 1, "verified": 1, "disputed": 0, "closed": 0, "seed": 0 }, { "municipality": "Kauniainen", "records": 1, "verified": 1, "disputed": 0, "closed": 0, "seed": 0 }, { "municipality": "Sipoo", "records": 1, "verified": 1, "disputed": 0, "closed": 0, "seed": 0 }, { "municipality": "Siuntio", "records": 1, "verified": 1, "disputed": 0, "closed": 0, "seed": 0 }, { "municipality": "Vihti", "records": 1, "verified": 0, "disputed": 0, "closed": 0, "seed": 1 } ], "with_coords": 101, "latest_check": "2026-10-01" }, "dedupe": [ { "kept": "HB-028", "folded": "NG-020001", "folded_name": "Saunalautta.fi Laiturisauna", "key": "Helsinki|mustikkamaantie2", "rule": "batch-02 flagged it as the same site; same address Mustikkamaantie 2 and same operator saunalautta.fi; HB-028 already cites the laiturisauna page" } ], "same_address_kept_separate": [ { "key": "Helsinki|merikannontie4", "ids": [ "HB-030", "NG-030001" ], "note": "same address, kept separate (verifier split or distinct facility)" } ], "records": [ { "id": "HB-018", "benchmark_id": "HB-018", "name": "Allas Pool", "address": "Katajanokanlaituri 2 A, 00160 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.16707, "lon": 24.958147 }, "type": "pool-spa sauna", "access": "public", "sources": [ { "name": "Allas Pool operator site (EN)", "url": "https://www.allaspool.fi/en/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 54835)", "url": "https://api.hel.fi/servicemap/v2/unit/54835/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 50401)", "url": "https://api.hel.fi/servicemap/v2/unit/50401/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 64367)", "url": "https://api.hel.fi/servicemap/v2/unit/64367/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 605720)", "url": "https://api.lipas.fi/v2/sports-sites/605720", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "HB-032", "benchmark_id": "HB-032", "name": "Bastion Bistro sauna", "address": "Suomenlinna C8, 00190 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.148342, "lon": 24.983501 }, "type": "rental sauna", "access": "rentable", "sources": [ { "name": "Bastion Bistro operator page (sauna rental)", "url": "https://www.bastionbistro.fi/sauno-suomenlinnassa", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 54802)", "url": "https://api.hel.fi/servicemap/v2/unit/54802/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "SD-001", "benchmark_id": null, "name": "Cafe Kobben", "address": "Katajanokanluoto 1 00140 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.161896, "lon": 24.982311 }, "type": "island tent sauna (wood-heated), rentable", "access": "rentable", "sources": [ { "name": "Cafe Kobben / Katajanokanluoto - Telttasauna (operator page)", "url": "https://www.katajanokanluoto.fi/telttasauna-1", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Cafe Kobben / Katajanokanluoto (operator front page)", "url": "https://www.katajanokanluoto.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/62953/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-06", "status": "verified" }, { "id": "HB-022", "benchmark_id": "HB-022", "name": "Furuvik Seaside Sauna", "address": "Furuvikintie 5, 00870 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.15954, "lon": 25.060251 }, "type": "seaside public and rental sauna", "access": "public", "sources": [ { "name": "Saunat.fi booking page (Villa Furuvik Rantasauna)", "url": "https://saunat.fi/lippu/villa-furuvik-rantasauna", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 57930)", "url": "https://api.hel.fi/servicemap/v2/unit/57930/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 64529)", "url": "https://api.hel.fi/servicemap/v2/unit/64529/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 605737)", "url": "https://api.lipas.fi/v2/sports-sites/605737", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "HB-029", "benchmark_id": "HB-029", "name": "Helsingin Saunalautta", "address": "Aurinkoranta 8-10, 00990 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.201088, "lon": 25.150702 }, "type": "sauna ferry", "access": "public", "sources": [ { "name": "Helsinki By Sea operator page (Helsingin Saunalautta)", "url": "https://www.helsinkibysea.com/helsinginsaunalautta/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 78568)", "url": "https://api.hel.fi/servicemap/v2/unit/78568/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "HB-017", "benchmark_id": "HB-017", "name": "Helsingin Seudun Reserviläispiirin Saunapirtti", "address": "Tryvikintie, 00960 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.22617, "lon": 25.184263 }, "type": "rental sauna", "access": "rentable", "sources": [ { "name": "HRUP Saunapirtti operator page", "url": "https://www.hrup.fi/helresp/saunapirtti/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 24350)", "url": "https://api.hel.fi/servicemap/v2/unit/24350/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "SD-002", "benchmark_id": null, "name": "Helsingin Suomalaisen Yhteiskoulun uimahalli", "address": "Isonnevantie 8 00320 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.21213, "lon": 24.890491 }, "type": "swimming-hall sauna", "access": "public", "sources": [ { "name": "Helsingin Suomalainen Yhteiskoulu - Uimahalli (operator page)", "url": "https://syk.fi/palvelut/uimahalli/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/41915/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site)", "url": "https://api.lipas.fi/v2/sports-sites/505802", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": null, "verifier": null, "status": "seed" }, { "id": "HB-027", "benchmark_id": "HB-027", "name": "Hyvän Tuulen Sauna", "address": "Kalkkihiekantori, 00980 Helsinki", "municipality": "Helsinki", "coords": null, "type": "sauna raft cruise (public sessions and private charter)", "access": "public", "sources": [ { "name": "Hyvän Tuulen Sauna - public sauna page", "url": "https://www.hyvantuulensauna.fi/julkinen-sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Hyvän Tuulen Sauna - location page", "url": "https://www.hyvantuulensauna.fi/sijainti/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 76782)", "url": "https://api.hel.fi/servicemap/v2/unit/76782/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "disputed" }, { "id": "HB-001", "benchmark_id": "HB-001", "name": "Itäkeskus swimming hall", "address": "Olavinlinnantie 6, 00900 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.212757, "lon": 25.076294 }, "type": "swimming-hall sauna", "access": "public", "sources": [ { "name": "Helsinki Service Map API v2 (unit 41835)", "url": "https://api.hel.fi/servicemap/v2/unit/41835/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 505825)", "url": "https://api.lipas.fi/v2/sports-sites/505825", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "HB-002", "benchmark_id": "HB-002", "name": "Jakomäki swimming hall", "address": "Somerikkopolku 6, 00770 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.259853, "lon": 25.08058 }, "type": "swimming-hall sauna", "access": "public", "sources": [ { "name": "Helsinki Service Map API v2 (unit 40838)", "url": "https://api.hel.fi/servicemap/v2/unit/40838/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 505827)", "url": "https://api.lipas.fi/v2/sports-sites/505827", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-01", "status": "verified" }, { "id": "SD-003", "benchmark_id": null, "name": "Katajanokan talviuintipaikka (KJS)", "address": "Kanavaranta 4 00160 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.169167, "lon": 24.963911 }, "type": "winter-swimming site with sauna (members' club)", "access": "private", "sources": [ { "name": "Katajanokan Jäänsärkijät ry - sauna (operator page)", "url": "https://www.katajanokanjaansarkijat.fi/tilat/sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Katajanokan Jäänsärkijät ry - membership (operator page)", "url": "https://www.katajanokanjaansarkijat.fi/yhdistys/jasenyys/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Katajanokan Jäänsärkijät ry (operator front page)", "url": "https://www.katajanokanjaansarkijat.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/41659/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site)", "url": "https://api.lipas.fi/v2/sports-sites/98516", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-06", "status": "verified" }, { "id": "SD-004", "benchmark_id": null, "name": "Kellumo", "address": "Hietaniemenkatu 3 00100 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.17006, "lon": 24.925314 }, "type": "float centre (sauna not confirmed by operator)", "access": "rentable", "sources": [ { "name": "Kellumo - Yhteystiedot (operator page)", "url": "https://kellumo.fi/yhteystiedot/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Kellumo - Rentoutuskellunta Helsinki (operator page)", "url": "https://kellumo.fi/rentoutuskellunta-helsinki/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Kellumo (operator front page)", "url": "https://kellumo.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/80486/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-06", "status": "disputed" }, { "id": "SD-005", "benchmark_id": null, "name": "Kinaporin seniorikeskus", "address": "Kinaporinkatu 7-9 A 00500 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.18864, "lon": 24.96211 }, "type": "service-centre sauna (eligibility card)", "access": "private", "sources": [ { "name": "City of Helsinki - Kinapori Service Centre sauna", "url": "https://www.hel.fi/en/health-and-social-services/senior-services/service-centres/kinapori-service-centre/kinapori-service-centre-sauna", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "City of Helsinki - Saunas at service centres", "url": "https://www.hel.fi/en/health-and-social-services/saunas-at-service-centres", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/1940/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-06", "status": "verified" }, { "id": "SD-006", "benchmark_id": null, "name": "Kirjailijatalo Villa Kivi", "address": "Linnunlauluntie 7 00530 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.182148, "lon": 24.936129 }, "type": "rental sauna (writers' house annex)", "access": "rentable", "sources": [ { "name": "Kirjailijatalo Villa Kivi - Saunatilat (operator page)", "url": "https://villakivi.com/saunatilat/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Kirjailijatalo Villa Kivi - sauna booking instructions (operator page)", "url": "https://villakivi.com/saunatilat/ohjeet-saunan-varaajille/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Writers' House Villa Kivi (operator English page)", "url": "https://villakivi.com/en/villa-kivi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/20553/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-06", "status": "verified" }, { "id": "HB-016", "benchmark_id": "HB-016", "name": "Kotiharju Sauna", "address": "Harjutorinkatu 1, 00500 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.186512, "lon": 24.957426 }, "type": "traditional public sauna", "access": "public", "sources": [ { "name": "Kotiharju Sauna operator site (EN)", "url": "https://www.kotiharjunsauna.fi/en", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 21226)", "url": "https://api.hel.fi/servicemap/v2/unit/21226/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": 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24.95811 }, "type": "outdoor-pool sauna (summer season)", "access": "public", "sources": [ { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/40823/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-06", "status": "verified" }, { "id": "SD-008", "benchmark_id": null, "name": "Lauttasaaren uimahalli (Lauttasaaren yhteiskoulu)", "address": "Isokaari 19 00200 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.158314, "lon": 24.862226 }, "type": "swimming-hall sauna", "access": "public", "sources": [ { "name": "Lauttasaaren yhteiskoulu - Uimahalli ja liikuntasalit (operator)", "url": "https://lauttasaarenyhteiskoulu.fi/uimahalli/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/41922/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site)", "url": "https://api.lipas.fi/v2/sports-sites/505887", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Uimahallit.com - Lauttasaaren uimahalli (third-party directory)", "url": "https://www.uimahallit.com/uimahalli/lauttasaaren-uimahalli/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Huts.fi - Lauttasaaren uimahalli (third-party directory)", "url": "https://www.huts.fi/suomi/uusimaa/helsinki/uimahallit/lauttasaaren-uimahalli", "licence": "facts-only", "retrieved_at": "2026-10-01" } ], "verified_at": null, "verifier": null, "status": "seed" }, { "id": "SD-009", "benchmark_id": null, "name": "Loisto Sauna", "address": "Energiakatu 3 00180 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.16594, "lon": 24.903622 }, "type": "rental sauna (private and corporate events, online booking)", "access": "rentable", "sources": [ { "name": "Loisto Catering - Loisto Sauna (Vuokrasauna Helsingin Salmisaaressa)", "url": "https://loistocatering.fi/sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Loisto Catering - front page", "url": "https://loistocatering.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/45945/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-07", "status": "verified" }, { "id": "HB-019", "benchmark_id": "HB-019", "name": "Lonna Sauna", "address": "Lonna, 00190 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.153927, "lon": 24.991087 }, "type": "seasonal public sauna", "access": "public", "sources": [ { "name": "Lonna operator site, sauna page (EN)", "url": "https://www.lonna.fi/en/services/sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Lonna operator site, contact / opening hours (EN)", "url": "https://www.lonna.fi/en/contact-us/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 56419)", "url": "https://api.hel.fi/servicemap/v2/unit/56419/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-02", "status": "verified" }, { "id": "HB-020", "benchmark_id": "HB-020", "name": "Lähteen sauna", "address": "Lapinlahdenpolku 8, 00180 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.168156, "lon": 24.91278 }, "type": "public and rental sauna", "access": "public", "sources": [ { "name": "Lapinlahden Lähde operator site, sauna page", "url": "https://lapinlahdenlahde.fi/sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 57276)", "url": "https://api.hel.fi/servicemap/v2/unit/57276/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-02", "status": "disputed" }, { "id": "HB-034", "benchmark_id": "HB-034", "name": "Löyly", "address": "Hernesaarenranta 4, 00150 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.1521, "lon": 24.930717 }, "type": "design public sauna", "access": "public", "sources": [ { "name": "Löyly Helsinki operator site (EN)", "url": "https://www.loylyhelsinki.fi/en", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 64368)", "url": "https://api.hel.fi/servicemap/v2/unit/64368/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 605721)", "url": "https://api.lipas.fi/v2/sports-sites/605721", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-02", "status": "verified" }, { "id": "SD-010", "benchmark_id": null, "name": "Löylykontti Sörnäinen", "address": "Sörnäisten rantapromenadi 2 00540 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.182392, "lon": 24.9634 }, "type": "container sauna (shared per-person sessions and private-sauna booking)", "access": "public", "sources": [ { "name": "Löylykontti - Sörnäinen (location page)", "url": "https://www.loylykontti.fi/en/saunas/helsinki/sornainen", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Löylykontti - front page", "url": "https://www.loylykontti.fi/en", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/78254/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-07", "status": "verified" }, { "id": "SD-011", "benchmark_id": null, "name": "Maunulan ulkoilumaja", "address": "Metsäläntie 9 00620 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.22101, "lon": 24.916336 }, "type": "outdoor-recreation lodge sauna (wood-heated; weekly Wednesday jogger sauna + private rental)", "access": "public", "sources": [ { "name": "Helsingin Latu ja Polku ry - Maunulan ulkoilumaja", "url": "https://helsinginlatu.fi/tietoa-meista/maunulan-maja/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Maunulan ulkoilumaja - cafe (operator contractor site)", "url": "https://www.maunulanulkoilumaja.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/40873/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/59424/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-07", "status": "verified" }, { "id": "SD-012", "benchmark_id": null, "name": "Merisauna Helsinki", "address": "Isonsarvastontie 4 00840 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.167355, "lon": 25.060276 }, "type": "sauna raft (private rental, wood-heated)", "access": "rentable", "sources": [ { "name": "Saunalautta.fi - Helsinki page listing 'Merisauna Helsinki'", "url": "https://saunalautta.fi", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "SaunaOnline.fi - Merisauna Helsinki booking page", "url": "https://www.saunaonline.fi/saunatilat/saunatilat-helsinki-merisauna", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Saunat.co - Merisauna Helsinki", "url": "https://saunat.co/saunatila/merisauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/68666/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/77036/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-07", "status": "verified" }, { "id": "SD-013", "benchmark_id": null, "name": "Ouritsaaren talviuintipaikka (TUK)", "address": "Hietaniemi, Ourit (end of Hiekkarannantie) 00100 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.171577, "lon": 24.899061 }, "type": "members-only winter-swimming club sauna (club house at Ourit)", "access": "private", "sources": [ { "name": "Talviuimarienkerho ry - opening hours", "url": "https://www.tuk.fi/aukioloajat/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Talviuimarienkerho ry - membership info", "url": "https://www.tuk.fi/jaseninfoa/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Talviuimarienkerho ry - location", "url": "https://www.tuk.fi/sijainti/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/41717/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of 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Paloheinä hiking lodge (English page)", "url": "https://www.hel.fi/en/culture-and-leisure/outdoor-activities-parks-and-nature-destinations/outdoor-recreation-areas/paloheina-outdoor-recreation-area/paloheina-hiking-lodge", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "City of Helsinki - outdoor recreation services (saunas list)", "url": "https://www.hel.fi/en/culture-and-leisure/outdoor-activities-parks-and-nature-destinations/hiking/outdoor-recreation-services", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/41518/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-07", "status": "verified" }, { "id": "HB-023", "benchmark_id": "HB-023", "name": "Paseo Cafe Grill & Sauna", "address": "Itälahdenpolku 2, 00210 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.146805, "lon": 24.883204 }, "type": "rental sauna", "access": "rentable", "sources": [ { "name": "Paseo Lauttasaari operator site", "url": "https://www.paseo.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 63243)", "url": "https://api.hel.fi/servicemap/v2/unit/63243/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-02", "status": "verified" }, { "id": "HB-039", "benchmark_id": "HB-039", "name": "Pihlajasaari Aalto-sauna", "address": "Itäinen Pihlajasaari, Helsinki", "municipality": "Helsinki", "coords": null, "type": "seasonal island rental sauna", "access": "rentable", "sources": [ { "name": "City of Helsinki - Pihlajasaari island page (EN)", "url": "https://www.hel.fi/en/culture-and-leisure/outdoor-activities-parks-and-nature-destinations/islands/pihlajasaari", "licence": "facts-only", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-02", "status": "verified" }, { "id": "HB-040", "benchmark_id": "HB-040", "name": "Pihlajasaari Rantasauna", "address": "Pihlajasaari, Helsinki (south shore)", "municipality": "Helsinki", "coords": null, "type": "seasonal island rental sauna", "access": "rentable", "sources": [ { "name": "City of Helsinki news - Kaunissaari and Pihlajasaari booking (EN)", "url": "https://www.hel.fi/en/news/kaunissaari-and-pihlajasaari-cabins-villas-and-saunas-can-be-booked-at-varaamo", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "City of Helsinki - Pihlajasaari island page (EN)", "url": "https://www.hel.fi/en/culture-and-leisure/outdoor-activities-parks-and-nature-destinations/islands/pihlajasaari", "licence": "facts-only", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "verified" }, { "id": "HB-041", "benchmark_id": "HB-041", "name": "Pikku Leikosaari sauna", "address": "Pikku Leikosaari, 00980 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.169224, "lon": 25.144562 }, "type": "self-service island sauna", "access": "public", "sources": [ { "name": "UUVI Pikku Leikosaari area page (EN)", "url": "https://uuvi.fi/en/area/pikku-leikosaari/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 50892)", "url": "https://api.hel.fi/servicemap/v2/unit/50892/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "verified" }, { "id": "SD-015", "benchmark_id": null, "name": "Pikkukosken talviuintipaikka (Uintiseura Kuhat)", "address": "Pikkukoskentie 21 00650 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.22809, "lon": 24.983335 }, "type": "winter-swimming club sauna (members; Saturday evening open rental)", "access": "rentable", "sources": [ { "name": "Uintiseura Kuhat - Talviuinti", "url": "https://www.kuhat.com/talviuinti/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Uintiseura Kuhat - opening hours (season 2026-27)", "url": "https://www.kuhat.com/talviuinti/aukioloajat/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Uintiseura Kuhat - sauna rental", "url": "https://www.kuhat.com/talviuinti/saunan-vuokraus/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/40088/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site)", "url": "https://api.lipas.fi/v2/sports-sites/514393", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-07", "status": "verified" }, { "id": "HB-003", "benchmark_id": "HB-003", "name": "Pirkkola sports park swimming hall", "address": "Pirkkolan metsätie 6 00630 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.232086, "lon": 24.910685 }, "type": "swimming-hall sauna", "access": "public", "sources": [ { "name": "Helsinki Service Map API v2 (unit 40774)", "url": "https://api.hel.fi/servicemap/v2/unit/40774/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 505943)", "url": "https://api.lipas.fi/v2/sports-sites/505943", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "verified" }, { "id": "HB-014", "benchmark_id": "HB-014", "name": "Police Summer Home & saunas", "address": "Länsiulapanpolku 27, 00200 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.15263, "lon": 24.857767 }, "type": "public and rental sauna", "access": "public", "sources": [ { "name": "Poliisien kesäkoti - contact page", "url": "https://poliisienkesakoti.fi/yhteystiedot/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Poliisien kesäkoti - public sauna sessions page", "url": "https://poliisienkesakoti.fi/yleiset-saunavuorot/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Poliisien kesäkoti - private saunas page", "url": "https://poliisienkesakoti.fi/saunat/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 21026)", "url": "https://api.hel.fi/servicemap/v2/unit/21026/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "verified" }, { "id": "SD-016", "benchmark_id": null, "name": "Rajasaaren talviuintipaikka (HKK-talviuimarit)", "address": "Rajasaarenpenger 8 00250 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.180626, "lon": 24.908834 }, "type": "members-only winter-swimming club with saunas (Helsingin Melontakeskus)", "access": "private", "sources": [ { "name": "HKK-Talviuimarit - Kotiavanto (home ice-hole page)", "url": "https://www.hkk-talviuimarit.fi/index.php/seuraesittely/kotiavanto", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "HKK-Talviuimarit - front page (waiting list notice)", "url": "https://www.hkk-talviuimarit.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/40606/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site)", "url": "https://api.lipas.fi/v2/sports-sites/513811", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-08", "status": "verified" }, { "id": "HB-013", "benchmark_id": "HB-013", "name": "Rastila Camping Helsinki saunas", "address": "Karavaanikatu 4, 00980 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.206764, "lon": 25.12131 }, "type": "rental sauna", "access": "rentable", "sources": [ { "name": "Rastila Camping Helsinki - Saunas (operator, EN)", "url": "https://rastilacamping.hel.fi/en/saunas/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Rastila Camping Helsinki - Contact details (operator, EN)", "url": "https://rastilacamping.hel.fi/en/contact/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 20993)", "url": "https://api.hel.fi/servicemap/v2/unit/20993/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-04", "status": "verified" }, { "id": "SD-017", "benchmark_id": null, "name": "Rastilan talviuintipaikka (Helsingin Latu ja Polku ry)", "address": "Vuoraitti 2 00980 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.20767, "lon": 25.115988 }, "type": "winter-swimming site with sauna (open to members; Sunday single-ticket sessions)", "access": "public", "sources": [ { "name": "Helsingin Latu ja Polku - Talviuinti Rastilassa", "url": "https://helsinginlatu.fi/jasenille/talviuinti-rastilassa/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/41188/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site)", "url": "https://api.lipas.fi/v2/sports-sites/514394", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-08", "status": "verified" }, { "id": "SD-018", "benchmark_id": null, "name": "Ravintola Pääposti", "address": "Mannerheiminaukio 1 B 00100 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.17125, "lon": 24.937643 }, "type": "meeting-venue sauna (executive sauna, booked with meeting rooms)", "access": "private", "sources": [ { "name": "Compass Group - Pääposti (Food & Co restaurant page)", "url": "https://www.compass-group.fi/ravintolat-ja-ruokalistat/foodco/kaupungit/helsinki/paaposti/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Compass Group - Pääposti booking calendar (Asio)", "url": "https://compass.asio.fi/onlinekalenteri/compass/guest.php?sys_id=pposti", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/21317/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-08", "status": "verified" }, { "id": "HB-025", "benchmark_id": "HB-025", "name": "Reaktion Games sauna", "address": "Karvaamokuja 1 00380 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.216286, "lon": 24.881866 }, "type": "activity-venue sauna", "access": "rentable", "sources": [ { "name": "Reaktion Games - Helsinki page (operator)", "url": "https://www.reaktiongames.fi/helsinki", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Reaktion Games - front page (operator)", "url": "https://www.reaktiongames.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 68268)", "url": "https://api.hel.fi/servicemap/v2/unit/68268/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "closed" }, { "id": "HB-030", "benchmark_id": "HB-030", "name": "Rowing Stadium's sauna", "address": "Merikannontie 4 00260 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.17757, "lon": 24.912256 }, "type": "public and rental sauna", "access": "public", "sources": [ { "name": "Soutustadion - operator site (sauna shifts)", "url": "https://soutustadion.johku.com/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 78772)", "url": "https://api.hel.fi/servicemap/v2/unit/78772/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (address Merikannontie 4)", "url": "https://api.hel.fi/servicemap/v2/address/?municipality=helsinki&street=Merikannontie&number=4", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "verified" }, { "id": "SD-019", "benchmark_id": null, "name": "Ruoholahden Palloiluhalli", "address": "Kellosaarenkatu 3 00180 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.162468, "lon": 24.911953 }, "type": "rental sauna (two saunas, 3rd floor of sports hall)", "access": "rentable", "sources": [ { "name": "Ruoholahden Palloiluhalli - front page (hours, contact)", "url": "https://palloiluhalli.com/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Ruoholahden Palloiluhalli - Palvelut (sauna rental terms)", "url": "https://palloiluhalli.com/palvelut/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/67928/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-08", "status": "verified" }, { "id": "HB-012", "benchmark_id": "HB-012", "name": "Sauna Hermanni", "address": "Hämeentie 63, 00550 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.193516, "lon": 24.964947 }, "type": "traditional public sauna", "access": "public", "sources": [ { "name": "Sauna Hermanni - operator site", "url": "https://www.saunahermanni.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 20521)", "url": "https://api.hel.fi/servicemap/v2/unit/20521/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "verified" }, { "id": "HB-028", "benchmark_id": "HB-028", "name": "Saunalautta.fi", "address": "Mustikkamaantie 2, 00570 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.181915, "lon": 24.99751 }, "type": "sauna ferry", "access": "rentable", "sources": [ { "name": "Saunalautta.fi operator site", "url": "https://saunalautta.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Saunalautta.fi pier sauna page", "url": "https://saunalautta.fi/laiturisauna-helsingissa/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 77036)", "url": "https://api.hel.fi/servicemap/v2/unit/77036/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-02", "status": "verified" }, { "id": "HB-026", "benchmark_id": "HB-026", "name": "SaunaMesta", "address": "Vattuniemenkatu 21 00210 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.15293, "lon": 24.88553 }, "type": "rental sauna and meeting venue", "access": "rentable", "sources": [ { "name": "SaunaMesta - operator site", "url": "https://www.saunamesta.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 76031)", "url": "https://api.hel.fi/servicemap/v2/unit/76031/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-03", "status": "closed" }, { "id": "HB-015", "benchmark_id": "HB-015", "name": "Saunasaari", "address": "Vasikkasaari, Kruunuvuorenselkä, 00860 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.153103, "lon": 25.013174 }, "type": "rental sauna venue", "access": "rentable", "sources": [ { "name": "Saunasaari (operator, FI)", "url": "https://saunasaari.fi/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 21216)", "url": "https://api.hel.fi/servicemap/v2/unit/21216/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-04", "status": "verified" }, { "id": "HB-036", "benchmark_id": "HB-036", "name": "Sompasauna", "address": "Kansanpuistonpolku 5, 00570 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.180733, "lon": 24.999062 }, "type": "community public sauna", "access": "public", "sources": [ { "name": "Sompasauna (operator, EN)", "url": "https://sompasauna.fi/home.html", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 54929)", "url": "https://api.hel.fi/servicemap/v2/unit/54929/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-04", "status": "verified" }, { "id": "NG-030001", "benchmark_id": null, "name": "Soutustadion winter swimming (SMARK)", "address": "Merikannontie 4, 00260 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.17917, "lon": 24.912117 }, "type": "club winter-swimming site with sauna (season pass)", "access": "private", "sources": [ { "name": "Soutuseura SMARK - winter swimming page", "url": "https://smark.fi/talviuinti/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 41730)", "url": "https://api.hel.fi/servicemap/v2/unit/41730/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "LIPAS API v2 (sports-site 514396)", "url": "https://api.lipas.fi/v2/sports-sites/514396", "licence": "CC BY 4.0", "attribution": "Lipas.fi, Jyväskylän yliopisto (University of Jyväskylä), CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": null, "verifier": null, "status": "seed" }, { "id": "HB-031", "benchmark_id": "HB-031", "name": "Stansvikin kartanon rantasauna", "address": "Stansvikintie 1, 00590 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.16284, "lon": 25.028986 }, "type": "rental sauna", "access": "rentable", "sources": [ { "name": "Stansvikin kartano - rantasauna (operator, FI)", "url": "https://www.stansvikinkartano.fi/sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 79508)", "url": "https://api.hel.fi/servicemap/v2/unit/79508/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-04", "status": "verified" }, { "id": "HB-024", "benchmark_id": "HB-024", "name": "Teurastamon sauna", "address": "Työpajankatu 2, rakennus 5, 00580 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.189804, "lon": 24.971182 }, "type": "rental sauna", "access": "rentable", "sources": [ { "name": "Ravintola Palema - Teurastamon sauna (operator, FI)", "url": "https://ravintolapalema.fi/teurastamon-sauna/", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 67853)", "url": "https://api.hel.fi/servicemap/v2/unit/67853/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit 32366)", "url": "https://api.hel.fi/servicemap/v2/unit/32366/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } ], "verified_at": "2026-10-01", "verifier": "lane-c-batch-04", "status": "verified" }, { "id": "GP-06001", "benchmark_id": null, "name": "Töölö Service Centre sauna", "address": "Töölönkatu 33 00260 Helsinki", "municipality": "Helsinki", "coords": { "lat": 60.181667, "lon": 24.924204 }, "type": "service-centre sauna (eligibility card)", "access": "private", "sources": [ { "name": "City of Helsinki - Töölö Service Centre sauna", "url": "https://www.hel.fi/en/health-and-social-services/senior-services/service-centres/toolo-service-centre/toolo-service-centre-sauna", "licence": "facts-only", "retrieved_at": "2026-10-01" }, { "name": "Helsinki Service Map API v2 (unit)", "url": "https://api.hel.fi/servicemap/v2/unit/11407/", "licence": "CC BY 4.0", "attribution": "Pääkaupunkiseudun palvelukartta, City of Helsinki, CC BY 4.0", "retrieved_at": "2026-10-01" } 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