Shionoe Onsen, Takamatsu, Kagawa Prefecture
Hyper Resort Villa Shionoe
The baths and setting look appealing, but do not treat this as a walk-in day-use stop in 2026. Go only when a current package includes an admission ticket or the hotel confirms day use directly.
Check before bathing
Spring & water temperature
- Spring-source temperature
- 16.1°C, according to the operator.
- Bathing temperature
- Not published.
- Spring classification
- Alkaline, low-salinity mineral spring.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The hotel lists no water addition and a heated, circulating system. It offers an outdoor bath, public bath, sauna and cold bath for each gender.
As of September 7, 2026, day use is conditional: arrange it only with a current package that includes a bath ticket or direct confirmation from the hotel.
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.
