Yudani Onsen
湯谷温泉ゆだにおんせん
Cave-like solo soak below a dam, unmanned since the old ryokan closed
Day Use
YesClosed in winter (late December to early March).
500 yen (free for elementary school children and younger). Cash only.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
Highlights
Drinking Spring
Cave BathAbout
A small cave-like bath cut into concrete, down a staircase at the foot of a dam on the Sho River. The spring water flows freely into a single deep basin and carries a faint sulfur scent. There is no washing area, just a soak. The place was once a ryokan dating back to 1922 and now runs as an unmanned, self-serve public bath.
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Last updated September 22, 2026