Ipponmatsu, Ainan, Ehime Prefecture
Ipponmatsu Onsen Akebono-so
A natural cold-spring bath with a sauna and family bath. The research profile recorded a facility-wide boiler closure from September 7 to 11, 2026; reopening after the work was not reconfirmed, so check directly before travelling.
Check before bathing
- Opening hours
- The regular schedule is 11:00–21:00; last admission 20:30. Closed on the third Tuesday of each month. Current rates introduced July 20, 2026: adults ¥650; middle-school students, seniors and guests with disabilities ¥500; elementary-school students ¥400; preschool children free. Family bath: ¥2,050 for 60 minutes. The profile records a full closure September 7–11 for boiler work but does not confirm that reopening proceeded on schedule.
- Tattoo policy
- The current profile does not confirm a tattoo policy; ask the facility before visiting.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Ipponmatsu Onsen.
- Spring classification
- Low-tonicity, weakly alkaline cold mineral spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The operator confirms natural spring water in the public bath and some guest-room baths. Water addition, heating, circulation and disinfection details by pool are not published.
The September 7–11, 2026 full-facility boiler closure is a past scheduled period, but the profile did not verify completion or reopening after September 12. Confirm current operation before setting out. Older 2024 pages show superseded rates.
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.
