Yukawa Onsen, Nachikatsuura, Wakayama Prefecture
Kiyomon-yu
An inexpensive source-flowing bath with private family rooms. For a walk from Kii-Katsuura Station, Hamayu or Ichinotaki may be more convenient; choose Kiyomon-yu if the family bath is the draw.
Check before bathing
- Opening hours
- 12:00–23:30; generally open year-round, though maintenance closures may occur. Adult admission is ¥500 and child admission ¥300. Private family baths cost ¥1,000 per room for 50 minutes, plus admission.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring source
- Kiyomon-yu's own natural spring at Yukawa Onsen.
- Spring classification
- Alkaline simple hot spring.
- pH
- 9.8, according to Wakayama Prefecture tourism information; the facility's current page does not repeat the figure.
- Flow rate
- Not published.
- Water handling
- The facility and onsen association describe both the large bath and family baths as 100% source-flowing. The association says the water flows continuously and the baths are cleaned daily; other treatment details are not published.
Bathing indications
General bathing indications are listed for the spring; they are not a promise of treatment.
Maintenance may affect availability. Check ahead if travelling specifically for the family bath.
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.
