Funagata Wakaayu Onsen Seiryu Center
舟形若あゆ温泉 清流センター
Day-use hot spring above the Mogami-Oguni River
Day Use
YesSummer (April to October): 8:00 to 21:30, last entry 21:00. Winter (November to March): 8:30 to 20:30, last entry 20:00. The sauna runs from 13:00 until 21:00 in summer and 20:00 in winter. The rest hall is open 8:30 to 17:00. Closed on the 2nd Wednesday of each month; in January the closure falls in the 3rd week (Monday to Wednesday); in August it is the 1st Wednesday.
Adult 500 yen. Elementary and junior-high students 100 yen on weekdays, 200 yen on weekends, holidays and high season. The open-air bath and sauna are included. Prices are from a list dated January 2022.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
The sauna opens from 13:00 and a bath towel is required (rental available).
Cold water plunge bath, typically used after sauna
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
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
Relaxation space for after bathing
On-site or nearby parking available
Views
Mountains
RiverAbout
A day-use bathhouse on a low hill above the Mogami-Oguni River, open since 1993. It has an indoor bath, a sauna, a cold plunge and an open-air bath, plus a row of washing stations. The rotenburo is the draw: on a clear day you can see Gassan (月山) and Hayama (葉山) from the water. The onsen water is billed locally as good for the skin. There is a casual restaurant with noodle dishes and a large rest hall, and plenty of parking.
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Last updated October 11, 2026