十勝川温泉 富士ホテルとかちがわおんせん ふじホテル
One kakenagashi moor-spring bath, no rotenburo
Hours may change during Golden Week, year-end/New Year, Obon, and similar periods. No regular closing day listed.
Adult ¥700, children (3-12 yrs) ¥500. Day-use set ¥1,000. Sauna from 16:00.
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
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
Welcomes children and families
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
The bathing here is built around a single indoor pool fed by the hotel's own moor spring, run kakenagashi with nothing added or removed. The water is amber-colored and leaves skin noticeably smooth, the kind of quality the place openly bets its reputation on. No outdoor bath, just this one well-tended indoor tub and a sauna. Private baths (kashikiri, 貸切風呂) are available by reservation, reportedly the only ones in Tokachigawa Onsen.
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Last updated September 19, 2026