Kaminoyama Onsen, Yamagata
Shimooyu Public Bath
A traditional community bath with separate hotter and cooler tubs. The current tourism-association listing gives 06:00–22:00, though an older winter note says opening may shift to 06:30 from December through February; check before an early winter visit.
Check before bathing
- Opening hours
- 06:00–22:00; last admission 21:30. Adult ¥150; hair-washing fee ¥100. An older local page retains a 06:30 winter opening for December–February, so confirm if arriving first thing in winter. The upstairs rest room is unavailable from January through March.
Spring & water temperature
- Spring-source temperature
- Not published. A 2020 'spout temperature' is not treated as source temperature.
- Bathing temperature
- Not published; fixed values are not inferred from historical measurements.
- Spring source
- Kaminoyama district springs No. 1, No. 2 and No. 3.
- Spring classification
- Sodium-calcium chloride-sulfate spring; low-tonicity, weakly alkaline and high-temperature.
- pH
- Not published for this bathhouse.
- Flow rate
- Not published.
- Water handling
- The detailed bath page says water is added to adjust the temperature; no heating, circulation, filtration, bath additives or disinfectant treatment is used. Separate hot and cooler tubs are available.
- Analysis date
- 2020
Bathing indications
The bath page lists general bathing indications including cuts, burns, muscle pain and fatigue. These are not a guarantee of medical benefit.
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.
