Ginsenso
銀泉荘
Small family-run ryokan with two kakenagashi baths in Oyu Onsen
Bathing & Water
Uses natural hot spring water
Bathing Arrangements
A private bath you can reserve for yourself or your group
Offered when the baths are free, on request.
Shared bathing area for all genders
Policies & Services
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
About
Ginsenso is a small Japanese inn run by one family in Oyu Onsen (大湯温泉), part of the Yunotani onsen area in Uonuma. It has two baths, filled with spring water pumped up on the property and kept flowing fresh (kakenagashi, 源泉かけ流し). Guests can bathe at any hour, late at night or first thing in the morning. A private bath (kashikiri, 貸切風呂) is possible on request when the baths are free. Shampoo, body soap and hair dryers are provided. The feel is a quiet village inn rather than a big hotel.
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Last updated October 13, 2026