Sanbe Onsen, Oda, Shimane Prefecture
Sanbeso National Lodge Day-Use Baths
A strong post-hike choice if you want a large selection of baths and at least two pools confirmed as unheated and source-flowing.
Check before bathing
- Opening hours
- Normally, day-use admission is 10:30–20:00 and the building closes at 21:00. A water-pipe cleaning closure ran from 8 to 9 September 2026; the lodge announced reopening at 10:30 on 10 September. Check for future notices before visiting.
- Tattoo policy
- The current main official pages reviewed do not confirm a tattoo policy. Check with the lodge before visiting.
Spring & water temperature
- Spring-source temperature
- Not published in the current material summarized here.
- Bathing temperature
- Not published as a fixed setting for each pool.
- Spring source
- The springs used at Sanbeso in Sanbe Onsen; the current main pages do not identify separate wells for each bath.
- Spring classification
- Iron(II, III)-sodium chloride spring, with iron content added to the classification after the June 2020 analysis.
- pH
- Not published in the current material summarized here.
- Flow rate
- Not published.
- Water handling
- There are 16 open-air baths between the men's and women's areas. The lodge confirms that the two pools at the far right, the sake barrel and silver kettle baths, use unheated source-flowing water. Other pools may be managed differently; the two-pool description is not applied to all baths.
- Analysis date
- 2020
Bathing indications
No facility-specific medical effect is claimed here.
The sake barrel and silver kettle pools are confirmed as unheated and source-flowing. Other pools are not assumed to use the same treatment.
Since 1 August 2026, day admission is ¥800 for adults, ¥400 for elementary-school children and ¥200 for children aged three and over. The lodge announced a two-session schedule for 12–13 September 2026; those dates have passed, so check its current calendar. 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.
