Yamashiro Onsen, Kaga, Ishikawa Prefecture
Yamashiro Onsen Sōyu
For a first visit to Yamashiro, Sōyu is the more practical place to bathe on a budget. Choose Kosōyu instead if the historic bathing experience is the point of the visit.
Check before bathing
- Opening hours
- 06:00–22:00. On the fourth Wednesday of each month, closed from 06:00 to 12:00 and reopens at noon.
- Tattoo policy
- The facility's current first-party information does not confirm a tattoo policy. Check with the bathhouse before visiting.
Spring & water temperature
- Spring-source temperature
- Not published for a source that can be directly matched to Sōyu.
- Bathing temperature
- Not published. The official page confirms two baths at different temperatures but gives no fixed figures.
- Spring source
- A blend of Yamashiro Onsen waters; the current official page does not identify the individual source wells used by Sōyu.
- Spring classification
- A blend of sodium-calcium sulfate-chloride spring and simple hot spring waters; both are low-salinity and mildly alkaline. The sulfate-chloride spring is classified as hot.
- pH
- Not published; the official description says mildly alkaline.
- Flow rate
- Not published.
- Water handling
- The Yamashiro Onsen Tourism Association says Sōyu uses a heat-exchange system without adding water, and that the baths are drained and cleaned daily. The current text pages do not give full, bath-by-bath details on heating, circulation or disinfection.
Bathing indications
Yamashiro Onsen lists general bathing indications, including those associated with sulfate springs. These are not a treatment guarantee.
The tourism association confirms heat-exchange heating and no added water. The baths are drained and cleaned daily; other treatment details are not published for each bath.
The bathhouse does not provide complimentary toiletries. Essentials and towels are sold, bath towels can be rented, and hairdryers cost ¥10 per minute.
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.
