Hirahara, Onomichi, Hiroshima Prefecture
Poppo-no-Yu, Onomichi Hirahara Onsen
A strong choice after visiting Onomichi Station, Senkoji or the shopping street if you want natural spring water and several pools within the city's local transport area. Exact current source figures are not published, so it is not the best fit if those numbers are your priority.
Check before bathing
- Tattoo policy
- The current first-party information reviewed does not confirm a tattoo policy. Ask the facility before visiting.
Spring & water temperature
- Spring-source temperature
- Not published in the current main first-party text pages. Older third-party or academic figures are not used as current facility data.
- Bathing temperature
- Not published as a fixed value.
- Spring source
- Onomichi Hirahara Onsen; the current main pages do not publish the individual well name.
- Spring classification
- Simple cold mineral spring with weak radioactivity.
- pH
- Not published in current first-party information. Older figures are not carried forward as 2026 values.
- Flow rate
- Not published in current first-party information.
- Water handling
- The facility confirms the use of natural spring water. Current main first-party text pages do not publish water addition, heating, circulation, disinfection or source-flow conditions for each pool, so these are not inferred.
Bathing indications
The facility lists general bathing indications for neuralgia, muscle and joint pain and sensitivity to cold. These are not treatment guarantees.
Current main pages do not specify pool-by-pool water treatment or source-flow conditions.
Admission does not include a towel or indoor clothing. Bring or purchase what you need.
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.
