Bessho Onsen, Ueda, Nagano Prefecture
Daishi-yu Public Bath
The best fit of Bessho's three public baths if you want fully source-flowing water and an early 06:00 start. Choose Oyu or Aisome-no-yu for an outdoor bath or larger relaxation facilities.
Check before bathing
- Opening hours
- 06:00–21:00; last admission 20:30. Normally closed Thursdays; the annual operating calendar may change around public holidays.
Spring & water temperature
- Spring-source temperature
- About 44.6°C for No. 3 spring.
- Bathing temperature
- Not published.
- Spring source
- Bessho Onsen No. 3 spring.
- Spring classification
- Simple sulfur spring.
- pH
- Not published.
- Flow rate
- About 90 L/min for the shared No. 3 source; this is not the amount delivered exclusively to Daishi-yu.
- Water handling
- Current Bessho Onsen property-district information says No. 3 supplies Daishi-yu and identifies the bath as fully source-flowing. A fixed bathing-pool temperature is not published, so the source temperature is not used in its place.
Bathing indications
The Bessho Onsen property district lists general bathing indications including neuralgia, muscle pain, joint discomfort and fatigue. These are not a treatment guarantee.
Current admission is ¥300 for adults, ¥100 for elementary-school children and free for younger children. There is no open-air bath.
How to read a bath profile
Spring-source temperature and actual bathing temperature are kept separate. Each score is shown independently for comparison rather than collapsed into one overall score.
