Akayu Onsen, Nanyo, Yamagata Prefecture
Akayu Onsen Yukotto
A clear first choice in Akayu for families, older visitors and anyone who values easy-to-understand facilities alongside a low price.
Check before bathing
- Opening hours
- 06:00–22:00; last admission 21:30. Closed Tuesdays, moving to Thursday when Tuesday is a public holiday.
- Tattoo policy
- The current profile material does not include a confirmed tattoo policy. Ask the facility before visiting.
Spring & water temperature
- Spring-source temperature
- 60.4°C at the source storage tank; not a bath temperature.
- Bathing temperature
- No fixed temperature published; the facility has hotter and cooler pools.
- Spring source
- Akayu Onsen spring, sampled from the source storage tank; the facility page reviewed does not name the individual source.
- Spring classification
- Sulfur-bearing sodium-calcium chloride spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The facility says its large bath and accessible bath use source-flowing water. There are hotter and cooler pools and a semi-open-air bath. Current text pages do not provide full details for water addition, heating, circulation or disinfection, so none are inferred.
Bathing indications
The facility posts general and spring-type bathing indications. These are not treatment guarantees.
Source flow is confirmed for the large bath and accessible bath; other treatment details are not published.
Admission is ¥300 for adults, ¥100 for elementary-school children and younger, and free for children under three. Shampoo and body wash are not provided. The accessible bath is not a general private rental; eligibility applies and advance booking is required. Tattoo rules are unconfirmed.
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.
