Shimoda, Shimanto, Kochi Prefecture
Shimanto Iyashi-no-Yu
A straightforward choice in Shimanto if you want several bathing options and clear pricing. The indoor bath is natural spring water; the outdoor bath is seawater, so the two should not be confused.
Check before bathing
- Tattoo policy
- Guests with tattoos are not allowed to bathe.
Spring & water temperature
- Spring-source temperature
- Not published.
- Bathing temperature
- Not published.
- Spring classification
- Natural hot spring; the current operator page does not publish a detailed formal classification.
- pH
- Not published.
- Flow rate
- Not published.
- Water handling
- The indoor bath uses natural spring water. The outdoor bath is seawater drawn from the Pacific, and the medicinal bath is a separate pool. Pool-by-pool water-treatment details are not published.
There is no family or private bath. The outdoor seawater pool is not a natural hot spring.
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.
