Seiryu-kaku
新安比温泉 静流閣しんあっぴおんせん せいりゅうかく
Forest open-air baths and kakenagashi spring at a Hachimantai ryokan
Day Use
YesAdult (middle school and above) ¥1,000; Child (elementary school and above) ¥700; Young child (age 3–pre-school) ¥500. Weekdays last reception 15:00, weekends/holidays last reception 14:00.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Bathing Arrangements
A private bath you can reserve for yourself or your group
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
Welcomes children and families
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Views
ForestAbout
The main indoor bath, known as Kin-no-yu (金の湯), runs kakenagashi with a pale yellowish-brown spring that feels faintly salty and leaves skin noticeably smooth. Outside, three pools called Mori no Rotenburo (森の露天風呂) sit among the trees, with sky and forest on all sides. A separate private bath, Gin-no-yu (銀の湯), is available for reservation by the half-hour. Both large bathrooms include a sauna. Day visitors are welcome.
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Last updated September 19, 2026