Iwase Community Onsen
いわせ温泉
City-run day-use onsen with a wide open-air bath and saunas
Day Use
YesLast entry is at 8 pm. Closed on Mondays (the next day, Tuesday, if Monday is a national holiday) and from Jan 1 to Jan 3. On Dec 29 to Dec 31, last entry is 5 pm and the bath closes at 6 pm.
Prices shown are for city residents; non-residents pay 600 yen (adult) and 300 yen (elementary school). A single-visit ticket covers 3 hours; a day ticket is 800 yen for residents. Infants are free.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
No dining hall or shop; you may bring your own food, but not alcohol.
Shower, wash stations, soap and shampoo provided
Relaxation space for after bathing
Views
ForestAbout
A day-use onsen run by Sukagawa city. The indoor bath comes with two saunas, a cypress dry sauna and a rock mist sauna, and the open-air bath is spacious, with a garden around it and greenery you can look at from the water. The water is clear and leaves the skin smooth. There is no cold plunge pool. The men's and women's baths swap every week, so one side has a cypress open-air tub and the other a rock one, and the next week it flips. Reviewers also mention a small rock-hollowed pool and a lying bath carved from a big log outside. There is no restaurant or shop, but the building has a large hall for resting, and you can bring your own food (not alcohol). It is a local place, mostly used by people from the area, and usually quiet.
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Last updated October 11, 2026