Dogo Onsen, Matsuyama, Ehime
Dogo Onsen Annex Asuka-no-Yu
A modern annex with a standard public bath and a bookable second-floor special bath. The special plan includes a freshly filled bath for each group; same-day availability is not guaranteed, so ask ahead.
Check before bathing
- Opening hours
- 06:00–23:00. The first-floor bath is ¥610 for adults and ¥300 for children. The second-floor special bath is ¥2,040 per group plus ¥1,690 per adult or ¥830 per child; bookings open 90 days ahead, with same-day enquiries possible. Scheduled all-day maintenance closure: December 2, 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
- 48.1°C at the shared source.
- Bathing temperature
- 42.0°C at the stated distribution use point; not a fixed reading for every pool.
- Spring source
- Dogo Onsen shared supply, delivered through Distribution Station No. 1.
- Spring classification
- Alkaline simple spring.
- pH
- 9.0.
- Water handling
- The shared source supplies the designated onsen baths. The second-floor special bath is freshly filled for each group. Pool-by-pool treatment details are not fully published.
The special bath requires a separate reservation and charge. It is not included with standard first-floor admission.
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.
