Shimoyuzawa, Echigo-Yuzawa, Niigata
Shimoyuzawa Onsen Komako-no-Yu
A public bath that reopened after filter work in June 2026. Its current listings show normal summer-hours operation again; check for any new maintenance notice before travelling.
Check before bathing
- Opening hours
- 10:00–21:00; last admission 20:30. Closed Thursdays. Adult ¥850. Parking for 25 cars. About a 20-minute walk from Echigo-Yuzawa Station.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- An individual source name was not published on the current official pages.
- Spring classification
- Sodium-calcium chloride spring; low-tonicity, weakly alkaline and high-temperature.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- Current first-party sources do not publish water addition, heating, circulation or disinfection by pool. The filter replacement in June 2026 does not by itself establish the full circulation method.
Bathing indications
The outdoor-bath page lists general indications including neuralgia, muscle pain, frozen shoulder and chronic digestive conditions. These are not a guarantee of medical benefit.
The bath was closed June 1–30, 2026, for filter replacement. It was listed as normally open again during the July 2026 Fuji Rock period.
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.
