Mizusawa Onsen Kan
水沢温泉館
Day-use bathhouse with a sauna beside a roadside station at the foot of Gassan
Day Use
YesClosed the 2nd Tuesday of each month (the following day if it is a public holiday). From December to March it opens at 8:00.
Sauna plus bath is 850 yen. 12-ticket books are available. Coin lockers are refundable 100 yen. Child fee is 100 yen.
Bathing & Water
Uses natural hot spring water
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
Shower, wash stations, soap and shampoo provided
Relaxation space for after bathing
On-site or nearby parking available
About
Mizusawa Onsen Kan is a day-use bathhouse at the foot of Mt. Gassan, right on Route 112 and next to the Michi-no-Eki Nishikawa roadside station. It has two large indoor baths, Gassan and Yakushi, with plenty of wash stations. The water is clear, colorless and a little smooth on the skin. There is a sauna (paid separately) and a cold plunge pool that reviewers single out, plus an outdoor-air area that switches between the men's and women's sides by day. A free large rest hall and a big parking lot make it an easy stop on the drive. It leans toward sauna fans, and the crowd follows: outdoor-air days are busier.
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Last updated October 11, 2026