Usual hours and prices, checked 2026-10-05 against the sources under “What this place is”. They can change for holidays and events — confirm before you go. Official site
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Our guide
Sukayu Onsen is a hot spring in the Hakkōda Mountains, within the city of Aomori, known for its Sen-nin-buro, the “bath of a thousand people” — a large mixed-gender bath.
It is a mountain spa: Hakkōda Mountains is about 2.5 km away in a straight line. We have not checked a public-transport route, bathing hours, rules or seasonal access, so check local information before you go.
Written by japan-spots.com (2026-09-22) from the sources credited on this page. Distances are straight lines between map positions.
Photos
Photos from Wikimedia Commons, each under its own licence — see credits
- Sukayu Onsen 01 — ゆ＾ω＾び · CC BY-SA 2.1 jp · source · resized
- Jigokunuma Sukayu Aomori Prif IMG 9492 stitch6 — あおもりくま,(Aomorikuma) · CC BY-SA 4.0 · source · resized
- Sukayu Onsen 03 — 振 · CC BY-SA 3.0 · source · resized
- 八甲田大岳と酸ヶ湯温泉 — らんで · Public domain · source · resized
- Sukayu Onsen Winter — Nogiuchi · CC BY-SA 3.0 · source · resized
- Sukayuーonsen (in Winter) — Thirteen-fri · CC BY-SA 3.0 · source · resized
- Sukayu spa , 酸ヶ湯温泉 - panoramio — z tanuki · CC BY 3.0 · source · resized
- 酸ヶ湯温泉 Sukayu onsen (Hot Spring) - panoramio — iloverjoa · CC BY 3.0 · source · resized
- Sukayu Onsen Aomori Prif Jp IMG 9533 stitch8 — あおもりくま,(Aomorikuma) · CC BY-SA 4.0 · source · resized
- Sukayu public parking 2013 — Marho · CC BY-SA 4.0 · source · resized
What this place is
Sukayu Onsen (酸ヶ湯, Sukayu) is an onsen (hot spring) in the Hakkōda Mountains in the city of Aomori, Aomori Prefecture in Japan. It is known for its "Sen-nin-buro" or "Bath of a thousand bathers", a large mixed gender public bath.
Visitor information checked: 2026-10-05 · インフォメーション／温泉 ｜ 国民保養温泉地 酸ヶ湯温泉旅館【公式サイト】 · インフォメーション／旅館からのお知らせ ｜ 国民保養温泉地 酸ヶ湯温泉旅館【公式サイト】
Background text from Wikipedia (CC BY-SA 4.0)
What to expect at this type of place: Hot spring
Getting there
We do not have step-by-step transit directions for this spot yet. Open the location on Google Maps for routes from where you are staying.
Stay the night
An onsen town is at its best in the evening and early morning, after the day visitors have gone.
Hotels near Sukayu Onsen on Agoda
AD Affiliate link: if you book through it, we may earn a commission from Agoda, at no extra cost to you. Hotels, prices and availability are Agoda’s, for the whole town around this spot.
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