Obama Onsen, Unzen, Nagasaki
Obama Onsen Hama-no-Yu
Currently listed as closed. Unzen City announced the suspension on August 24, 2026, and no later reopening notice had been confirmed by the research check. Do not plan a visit around its old public-bath schedule until the city confirms it has reopened.
Facility photos
Check before bathing
- Opening hours
- Closed as of the latest checked notice (September 7, 2026). Before closure, the regular schedule was 06:00–22:00 with irregular closing days; this is not a current operating schedule.
- Access
- 25 Kitahonmachi, Obama. The address and parking information relate to the facility's normal operation; avoid making a special trip while it remains closed.
- Tattoo policy
- No current tattoo policy was found on the official pages.
Spring & water temperature
- Spring-source temperature
- Not published. The regional 105°C figure is not a facility-specific source or bath temperature.
- Bathing temperature
- Not published.
- Spring source
- Obama Onsen; an individual source name is not published.
- Spring classification
- Chloride spring; a full facility-specific analysis is not published.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The bath used Obama Onsen water during normal operation. Dilution, heating, circulation, filtration and disinfection details were not published.
Unzen City announced the closure on August 24, 2026; no newer reopening notice was confirmed by September 7, 2026.
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.
