477. Uchikamado Onsen, Beppu An old-school onsen, members only. It was open to the public during the Beppu onsen festival as part of the onsen marathon from 14:00 to 17:00. No staff, no soap, and no shower. During the festival, they stamp the Beppu onsen-do. The water is clear, and the temperature is 44. It is easy to breathe inside. 03.04.2025