Day-use bathing has resumed after being suspended for a time; it now runs 12:00 to 15:00 for ¥800.
Uses natural hot spring water
Open-air outdoor bath
Includes a famous 1m-diameter giant log bath (大丸太風呂).
Enclosed indoor bathing area
Private onsen bath in guest rooms, for overnight guests only
Room amenity list states only en-suite toilets; no in-room bath/onsen mentioned for the 16 rooms or the 3 annex buildings.
Shared bathing area for all genders
Welcomes children and families
Anecdotal from a family review; no formal facility policy stated.
On-site or nearby parking available
A riverside inn in the remote Heike-daira area, member of the Nihon Hito o Mamoru Kai (秘湯を守る会) network. The outdoor mixed bath (log rotenburo) pours a clear sulfurous sodium-chloride spring, and guests report seeing yunohana (湯の花, mineral flakes) drifting in the water.
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Last updated July 22, 2026