Suizenji, Chuo Ward, Kumamoto City, Kumamoto
Yuya Suizen
A higher-priced, quieter choice for sauna and groundwater bathing near Suizenji. The water comes from natural groundwater, but the heated indoor bath is an artificial radium bath, not a natural hot spring. Visitors must be at least junior-high-school age, and tattoos are not allowed.
Check before bathing
- Opening hours
- 06:00–11:00 and 12:00–24:00; closed for cleaning from 11:00 to 12:00. Day-use last reception 21:30. General admission is ¥3,000 for 150 minutes on weekdays or 120 minutes on weekends and public holidays. Irregular closing days.
- Tattoo policy
- Tattoos, tattoo stickers and similar coverings are not allowed. Guests must be junior-high-school age or older.
Spring & water temperature
- Spring-source temperature
- Not applicable.
- Bathing temperature
- Not published.
- Spring source
- No natural hot-spring source. The facility uses groundwater from the Aso groundwater system.
- Spring classification
- Not a natural hot spring. The indoor bath is heated and presented as an artificial radium bath.
- pH
- Not applicable.
- Flow rate
- Not applicable.
- Water handling
- Groundwater is pumped for use in the heated artificial radium bath; the cold plunge also uses Aso groundwater. Pool treatment details beyond this are not published.
The facility's use of groundwater does not make the bath a natural hot spring.
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.
