Reisenji Onsen, Ueda, Nagano Prefecture
Reisenji Onsen Public Bath
A strong choice for a very low-cost, quiet soak in source-flowing water. Mone-no-Yu is more convenient without a car and has an outdoor bath and more facilities.
Check before bathing
- Opening hours
- 07:00–21:00 according to Ueda City's updated April 2026 facility page; no regular closing day is listed. An older municipal bathhouse ordinance still shows 22:00, so this listing follows the newer facility page.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Reisenji Onsen; the current facility page does not name an individual well.
- Spring classification
- Alkaline simple hot spring, as described by the Shinshu Ueda tourism association.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- Ueda City and the Shinshu Ueda tourism association describe the bath as source-flowing; the association specifically says 100% source-flowing. There is one indoor bath for men and one for women, with no outdoor bath.
Bathing indications
Official tourism information describes Reisenji's bathing history and spring characteristics. No treatment claim is made from historical accounts or general indications.
Current admission is ¥250 for adults, ¥100 for elementary and junior-high students, and free for younger children. Only indoor baths are available. The current main city page gives limited information about amenities, so bring your own essentials.
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.
