Nasuyumoto Onsen, Nasu, Tochigi Prefecture
Kojika-no-yu, Hanaya Hotel
A low-cost way to try the Shikanoyu-area sulfur spring while still having practical washing facilities. It is the easier choice after a hike if you want to use shampoo and body wash.
Check before bathing
- Opening hours
- The Nasu Town tourism association lists 09:00–21:00; last admission 20:15.
Spring & water temperature
- Spring-source temperature
- 53.7°C for the Shikanoyu–Gyōnin-no-yu blended spring.
- Bathing temperature
- About 41°C and 44°C indoors; about 40°C in the women's outdoor bath.
- Spring source
- A blend of Shikanoyu and Gyōnin-no-yu springs.
- Spring classification
- Simple acidic sulfur spring.
- pH
- 2.4, according to Nasu Town's bathing guide.
- Flow rate
- Not published.
- Water handling
- Nasu Town's tourism association lists the facility as using Shikanoyu spring water on a source-flowing basis, in the indoor bath and the women's outdoor bath. Full water addition, heating, circulation and disinfection conditions are not published for each pool.
- Analysis date
- 2025
Bathing indications
The facility's spring information is retained as general hot-spring reference, not a treatment guarantee.
The tourism association lists adult admission at ¥500 and children's admission at ¥300. Shampoo and body wash are allowed.
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.
