Hirao, Taisho Ward, Osaka
JOY Taisho
JOY Taisho is unusual for an everyday-priced neighbourhood bath: the facility says it uses 100% natural spring water without heating or dilution. Its cold bath was still listed as out of service at the latest check, so ask whether it has been repaired.
Check before bathing
- Opening hours
- 14:00–22:00; last admission 21:00; closed Saturdays. Bathing is limited to two hours.
Spring & water temperature
- Spring-source temperature
- 48.1°C.
- Bathing temperature
- No fixed figure is published; the facility says perceived temperature varies with air temperature and humidity.
- Spring source
- Natural hot spring; the spring name has not been published.
- Spring classification
- The facility confirms 100% natural hot-spring water and 100% source-flowing use. The current text page does not publish a formal water classification, pH or analysis-certificate date.
- pH
- Not published.
- Flow rate
- 420 L/min.
- Water handling
- The facility says the natural spring rises from 1,190 m underground and is used at 100% without heating or dilution. Its text page does not specify which individual baths use the spring water.
Bathing indications
The current text page does not publish bathing indications based on an analysis certificate.
Open 14:00–22:00, last admission 21:00; closed Saturdays, with a two-hour bathing limit. On 7 September 2026, the facility site still displayed a notice dated 16 August saying the cold bath was out of order; no repair notice was found. Check its status before visiting.
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.
