Sansuikan Sinano
乗鞍岳山懐の湯宿 山水館信濃
Day Use
YesDay bathing needs a reservation, and closing days are irregular rather than fixed, so it's worth checking ahead.
Day bathing in the shared baths is ¥540 for adults, ¥300 for children. Booking one of the two private baths costs an extra ¥1,000 per 60 minutes per group.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Bathing Arrangements
Private bath available for day-use visitors or hotel guests to reserve
Two named private baths, 'Kinu-no-yu' and 'Wata-no-yu' (each with indoor + outdoor tub), per a private-bath specialist aggregator. Primarily for overnight guests: ¥1,000/60min per group, book at the front desk after check-in, first-come, 15:00-22:00. The same aggregator separately lists a day-tripper option: ¥500 entry + ¥1,000/60min private-bath fee, 12:00-16:00.
Shared bathing area for all genders
Policies & Services
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
A different aggregator (nifty) implies rental towels are available, but that claim could not be verified verbatim; kept NO based on this first-hand blog account which explicitly states towels are not provided at the main bath.
On-site or nearby parking available
Jalan's facility table separately shows parking as paid (駐車場◎有料); kept YES for availability, fee status unresolved between sources.
Views
MountainsPrograms
About
Sansuikan Sinano's baths run on milky white sulfur water that flows down naturally from partway up Mt Norikura, filling an indoor bath and a rotenburo where the spring water runs straight through rather than being recirculated. The main baths are separate for men and women, and there are also two private baths, Kinu-no-yu (絹の湯) and Wata-no-yu (綿の湯), each with its own indoor and outdoor tub, that can be booked for private use. The inn sits a block off the main road at the foot of the Norikura Kogen ski area, quiet even during the busy summer hiking season. Rooms split between an older east wing from the original building and a west wing added in 1994; the grounds are surrounded by white birch trees, with a faint drift of sulfur in the air. Dinner is served fireside at an irori hearth, built around the mountain vegetables and seasonal produce they gather locally.
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Last updated July 26, 2026