Kamiyamada Onsen, Chikuma, Nagano Prefecture
Yumoto Kamenoyu Public Bath
A strong-value traditional bath after its renovation, with open-air and ceramic-pot baths. For an early soak or sauna, look at Manyo, Kanze or Zuisho instead.
Check before bathing
- Opening hours
- 10:00–23:00; last admission 22:30. Closed on the 16th and the last day of each month.
- Tattoo policy
- The facility's current first-party information does not confirm a tattoo policy. Check with the bathhouse before visiting.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Natural spring water from Kamiyamada Onsen; the current page does not identify the individual source.
- Spring classification
- Alkaline simple sulfur spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The operator says the large bath, jet bath, open-air bath and ceramic-pot baths all use abundant natural spring water and describes the facility as source-flowing. Complete water-treatment conditions are not published for each pool, so identical treatment is not assumed.
- Analysis date
- 2020
Bathing indications
The operator lists general bathing indications for alkaline simple sulfur springs. These are not treatment or beauty guarantees.
The facility describes its pools as source-flowing, but does not publish full treatment details for each one.
The bathhouse completed a renovation in July 2024. Adult admission for visitors from outside Chikuma is ¥400; a towel and soap set costs ¥200, shampoo-conditioner costs ¥120 and a bath towel costs ¥450.
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.
