Kamisuwa Onsen Shinyu Hotel
上諏訪温泉しんゆかみすわおんせんしんゆ
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Uses natural hot spring water
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
Views
LakeHighlights
Jet BathAbout
Shinyu sits right on the shore of Lake Suwa and draws from its own spring, Bisui Gensen (美翠源泉), which gives the water a faint jade tint and leaves skin noticeably smooth. The main bathhouse was renovated in 2022 into a full-tile Art Deco hall, its ironwork windows a deliberate nod to the historic Katakura-kan (片倉館) next door. There is no open-air rotenburo, but one of the baths opens to the outside air. Three private baths are available for groups or families, including a barrier-free room with a wheelchair-accessible lift tub. Guests who want lake views from the water can book the Miko no Shizuku (美湖の雫) room-onsen suites added in 2022.
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