A  hot spring bath facility located near the entrance to the Daibosatu Toge mountain climbing trail on the drive route connecting Okutama with Enzan. Separate bathing facilities for men and women feature jacuzzis, reclining baths, natural hot spring baths, saunas and other bathing pleasures.
The open air bath is also popular for its beautiful view of the Southern Alps. The water is slightly alkaline, and is said to leave the skin feeling soft and smooth.