Juodou area, Nozawa Onsen, Nozawaonsen Village, Nagano Prefecture
Juodou-no-Yu Public Bath
A distinctive two-storey bathhouse, with the women's bath on the ground floor and the men's bath upstairs. It also has an egg-boiling kettle and a washing area; the stairs matter for access planning.
Check before bathing
- Opening hours
- 06:00–22:00. 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 90°C for the listed source system.
- Bathing temperature
- Not published.
- Spring source
- Asagama and Yunomiya 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 two bathing floors are gender-separated; fixed pool 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 men's bath is upstairs. The source temperature is not a fixed 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.
