Hirayama Onsen Yamato
平山温泉 やまと
Five-room inn with private baths and a wood-fired sauna
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Cold water plunge bath, typically used after sauna
Bathing Arrangements
A private bath you can reserve for yourself or your group
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
About
A small inn at Hirayama Onsen (平山温泉) with five detached guest rooms, each with its own indoor and open-air bath. A separate private bathhouse has a wood-fired sauna, an open-air bath and an indoor bath, and reviewers describe a cold plunge fed by groundwater and two-hour slots for the sauna. Tofu is made in-house and served at the inn.
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Last updated October 11, 2026