Sanso Yunosato
山荘 湯乃里さんそう ゆのさと
Day Use
YesDay-use bathing is priced per person, about 600 yen; this comes from a third-party listing and isn't confirmed on the official site.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
1 party / 30-40 min, free of charge, reservation by phone required
Private onsen bath in guest rooms, for overnight guests only
Listed room equipment does not include an in-room bath
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
Sanso Yunosato is a small, family-run ryokan in a quiet part of Hirayu Onsen. It has five baths in all: an open-air rotenburo and a cypress-scented indoor bath, each split by gender, plus a private kashikiri bath you can reserve by phone for a free 30 to 40 minute soak. There's also a low-temperature sauna for each gender. The water is a local sulfur spring. The building is old but kept clean, with fresh tatami and a friendly, informal proprietress who often works the front desk herself, so it isn't always staffed. Toilets and the washroom are shared rather than en suite. The inn is also known as a filming location for the anime Hyouka, and one of its stay plans is built around that connection.
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Last updated July 17, 2026