Central Nozawa Onsen, Nozawaonsen Village, Nagano Prefecture
Kawahara-yu Public Bath
A compact wooden bath near Oyu, fed by the Asagama and Kawahara-yu sources. The water is described as hot, so it may be a tough first stop for anyone sensitive to heat.
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 60°C.
- Bathing temperature
- Not published; the official description says the water is hot.
- Spring source
- Asagama and Kawahara-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. Fixed pool temperature, pH and yield 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 60°C figure is the source temperature, not the bathing-pool setting.
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.
