Tsuji-yama Park entrance, Nozawa Onsen, Nozawaonsen Village, Nagano Prefecture
Shin-yu Public Bath
A northern-side bath fed by the Shin-yu source, noted for mineral deposits and water that can appear milky, jade-green or clear. The color varies; it is not a fixed feature on every visit.
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 55°C.
- Bathing temperature
- Not published.
- Spring source
- Shin-yu source.
- 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. Shin-yu is noted for mineral deposits and changing water color; 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 approximately 55°C figure is the source temperature, not a fixed pool setting. Water color may change from one visit to another.
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.
