Ueki Onsen, Kita Ward, Kumamoto City
Ueki Onsen Ryokan Matsunoyu
A public-bath option with a distinctive sculpted outdoor bath and semi-open-air bath. The inn says those baths use undiluted source water, but its two family baths are reserved for overnight guests and are not part of day-use admission.
Check before bathing
- Opening hours
- The current Ueki Onsen association listing gives day-use admission at ¥500. The inn's current readable pages do not give a dependable fixed day-use schedule; call ahead. The two family baths are free for overnight guests only.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Ueki Onsen; the inn has not published a formal individual source name.
- Spring classification
- Sodium-bicarbonate chloride spring containing sulfur, according to the inn's current description.
- pH
- Not published for this inn. A general Ueki Onsen figure is not substituted.
- Flow rate
- Not published.
- Water handling
- The inn describes its sculpted outdoor and semi-open-air baths as 100% source-flowing, with nothing added. The two family baths are for overnight guests only. The inn does not publish source temperature, an individual pH or complete treatment details by pool.
Bathing indications
The inn lists joint pain, fatigue, lower-back pain and chronic gynecological conditions among its general bathing information. This is not a treatment guarantee.
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.
