Uses natural hot spring water
437. Kotobukitei, Yunoyama Onsen Visited for higaeri (listed as 11:30 to 15:00, 1000 yen). Private baths available (didn't try them). At the time of our visit it was part of the Yunoyama stamp rally January-March 2025. Outdoor bath with clear water and a view of trees through a fence, temperature 40-41. Indoor bath with clear water. There was a faint chlorine smell. Temperature 43. The air inside is pleasant. A pleasant place, recommended to visit when in Yunoyama.