Dogo Onsen, Matsuyama, Ehime
Dogo Onsen Honkan — Kami-no-Yu
The classic central bathhouse, with the Kami-no-Yu plan as the straightforward entry option. Its alkaline spring is supplied through Dogo's shared distribution system; the published source and distribution temperatures are distinct from the bathing temperature.
Check before bathing
- Opening hours
- 06:00–23:00; last ticket 22:30. Adult ¥700; child ¥350. The Honkan is scheduled to close all day for maintenance on December 1, 2026.
- Tattoo policy
- The current official material reviewed does not publish a unified tattoo rule for Dogo's three municipal bathhouses. Confirm with the facility if needed.
Spring & water temperature
- Spring-source temperature
- 48.7°C at the shared source.
- Bathing temperature
- 42.0°C at the stated point of use; not a separately measured fixed pool temperature.
- Spring source
- Dogo Onsen shared supply, delivered through Distribution Station No. 2.
- Spring classification
- Alkaline simple spring.
- pH
- 9.0.
- Water handling
- The shared source temperature is 48.7°C; the published temperature at the point of use is 42.0°C. These figures are not interchangeable. Treatment details are not fully listed here.
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.
