Sanyo-so Hot Springs and Hotel
土佐龍温泉 三陽荘とさりゅうおんせん さんひそう
Salty coastal onsen at a seaside ryokan in Kochi
Day Use
YesAdults ¥750 weekdays / ¥850 weekends & holidays; children ¥450 / ¥500; infants free. Last entry 8:00 (morning) / 20:00 (afternoon).
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Bathing Arrangements
Shared bathing area for all genders
Policies & Services
Allows entry with visible tattoos
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Views
SeaHighlights
Foot BathAbout
A ryokan right on the Kochi coast, with indoor baths and an open-air bath drawing from a faintly salty, slightly cloudy spring that leaves skin noticeably smooth. A free foot bath sits outside the entrance. The building has an old-fashioned feel, with Henro pilgrimage decor and Showa-era touches that give it more character than a plain hotel. Day-use bathing is available.
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Last updated September 19, 2026