Iizaka Onsen, Fukushima
Hakoyu Public Bath
A dependable first Iizaka bath if you are new to the area, travelling with family or prefer a choice between hotter and cooler water. It is closed on Tuesdays, except when a public holiday changes the schedule.
Check before bathing
- Opening hours
- 06:00–21:00; closed Tuesdays, but open when Tuesday is a public holiday. Adult admission ¥500. Published child prices conflict: the tourism association and a 2026 iris-bath notice list ¥250, while the city facility page lists ¥300; budget ¥300 and confirm on site.
- Tattoo policy
- No current tattoo policy was confirmed in the research file. Ask the operator before visiting.
Spring & water temperature
- Spring-source temperature
- 48.8°C at the source/distribution tank.
- Bathing temperature
- About 45°C in the hot pool and 42°C in the warm pool, based on a 2026 Fukushima City tourism interview; actual temperatures vary.
- Spring classification
- Alkaline, hypotonic spring, according to an analysis from December 2010 cited by the Iizaka Onsen Tourism Association.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- Fukushima City's current page identifies a source-flowing hot pool and a warmer-adjusted pool. The adjustment method and complete circulation/disinfection details are not published.
The source temperature is not the pool temperature. Child admission differs across official listings.
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.
