Kumanotearai-yu area, Nozawa Onsen, Nozawaonsen Village, Nagano Prefecture
Kumanotearai-yu Public Bath
Often the gentler entry point among Nozawa's public baths: the village describes it as comparatively mild, with separate hotter and cooler pools. Actual pool temperatures are not posted.
Check before bathing
- Opening hours
- 05:00–23:00 from April through November; 06:00–23:00 from December through March. There is no fixed admission charge; visitors are asked for a voluntary contribution.
- Tattoo policy
- The current tourism-association pages reviewed do not confirm a tattoo rule; check locally if you need a definite answer.
Spring & water temperature
- Spring-source temperature
- About 40°C.
- Bathing temperature
- Not published; the pools are described as hot and cooler rather than given fixed figures.
- Spring source
- Asagama and Kumanotearai-yu sources.
- Spring classification
- Simple sulfur spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The tourism association describes all 13 Nozawa public baths as 100% source-flowing. The bath has hotter and cooler pools, but their fixed temperatures are not published.
Bathing indications
The association lists general bathing indications including neuralgia, rheumatism, reduced gastrointestinal function, diabetes and dermatitis. These are not treatment guarantees.
The approximately 40°C figure is the source temperature, not a guaranteed pool temperature.
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.
