Tokura Onsen, Chikuma, Nagano Prefecture
Tokura Kokumin Onsen
Its low admission and unusually clear source-flowing setup are the main reasons to come. For an open-air bath, more pools or a sauna, choose Kamenoyu, Zuisho or Hakuchoen.
Check before bathing
- Opening hours
- 08:30–22:00. Closed one day in the early part of each month; confirm the date before visiting.
- Tattoo policy
- The facility's current first-party information does not confirm a tattoo policy. Check with the bathhouse before visiting.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Natural spring water from Tokura Onsen; the individual source is not published.
- Spring classification
- Alkaline simple spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The Shinshu Chikuma Tourism Bureau's facility description says the baths, taps and showers all use 100% source-flowing spring water in a once-through system. The current main page does not name the source or explain heating and water-addition methods, so no further details are inferred.
Bathing indications
The 2026 Seven Lucky Gods listing gives general bathing indications including neuralgia, muscle and joint discomfort and skin conditions. These are not treatment guarantees.
The tourism bureau describes the baths, taps and showers as once-through and source-flowing. Other treatment details are not published.
Admission is ¥380 for adults, ¥280 for middle-school students and ¥100 for elementary-school students. The facility has a simple, old-style local-bath setting rather than a large range of features.
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.
