Yufuin Onsen, Yufu, Oita
Otomaru Onsen Hall
A no-frills community bath and the closest shared bath to Yufuin Station. It is a coin-box style local facility rather than a hotel spa, with no private bath or outdoor bath.
Check before bathing
- Opening hours
- 06:30–22:00. Closed on the third Thursday of each month. Adult admission ¥300.
- Tattoo policy
- A tattoo policy was not found on Yufu City's current facility page. Confirm before using the public bath; no private-bath or tattoo exception is listed.
Spring & water temperature
- Spring-source temperature
- Not published; an older approximate figure is not treated as current.
- Bathing temperature
- Not published.
- Spring source
- A current individual source name was not published by Yufu City.
- Spring classification
- The current city page does not publish a complete ionic analysis. Older records commonly call it a simple spring, but that classification is not treated as a current analysis.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- Yufu City identifies it as a shared community bath. Water addition, heating, circulation, disinfection and source-flow details are not fully published.
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.
