01 / Hot spring
The water is 98°C.Eggs and vegetables cook in it.

Arayu, the source of Yumura Onsen, runs at 98 degrees, which the town calls the hottest spring in Japan. It rises on the riverbed at the bottom of the valley, where the Yumura fault crosses the valley line. People steam vegetables and boil eggs in it, and a skin lotion has been developed from it. The spring is said to have been found in 848.
- 98 degrees at the source
- Said to have been found in 848
- Rises on the valley riverbed

