Nakao area, Nozawa Onsen, Nozawaonsen Village, Nagano Prefecture
Nakao-no-Yu Public Bath
The largest of Nozawa's 13 public bathhouses, with more room to wash and separate hotter and cooler pools. It sits at the southern entrance to the village's hot-spring area.
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 90°C for the listed source.
- Bathing temperature
- Not published; the bath has hotter and cooler pools.
- Spring source
- Asagama source with cooler water from the Mukobayashi direction.
- Spring classification
- Sulfur-bearing sodium-calcium sulfate spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The bath uses Asagama spring water with cooler water from Mukobayashi. The tourism association describes all 13 Nozawa public baths as 100% source-flowing; 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 source temperature is not the temperature of either bathing pool.
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.
