Ofuyu Private Onsen & Sauna

Private hot-spring rooms with an independently bookable bath-and-sauna option near Beppu IC. The operator offers 60-minute sauna-room reservations online and refreshes the spring water between parties. The sauna room is one option among its 16 private bath rooms, so book the bath-with-sauna type specifically.

Daily 10:30–22:00 (last admission 21:00)