Yuzaki, Shirahama, Wakayama Prefecture
Saki-no-Yu
When fully open, Saki-no-Yu is Shirahama's standout first outdoor bath for its Pacific shoreline setting. As of 7 September 2026, the seaside pool remained closed; check for an official reopening notice before going.
Check before bathing
- Opening hours
- The seaside pool has been closed since 2 September 2026 because of typhoon conditions and high waves. Normal full operation resumes only after an official reopening notice.
- Access
- About 15 minutes by bus from Shirahama Station to Yuzaki, then about a 5-minute walk.
Spring & water temperature
- Spring-source temperature
- 78.0°C at Miyuki spring; this is the source temperature.
- Bathing temperature
- Not published.
- Spring source
- Miyuki spring.
- Spring classification
- Sodium chloride spring, as described by Shirahama Town. The spring supplier publishes a fuller classification; the wording differs, so the two descriptions are kept separate rather than merged.
- pH
- 8.2, from the Nanki-Shirahama Tourism Association's Miyuki spring data.
- Flow rate
- Unmeasurable, according to the town facility page.
- Water handling
- Shirahama Town identifies an open-air source-flowing bath. The seaside pool has been closed since 2 September 2026 because of typhoon conditions and high waves. Details on water addition, heating, circulation and disinfection for each pool are not separately published.
Bathing indications
The town lists general bathing indications including neuralgia, joint pain and chronic skin conditions. This is not a treatment guarantee.
The 78.0°C figure is the source temperature, not the bath temperature. Shampoo, conditioner, soap and other washing products are prohibited. Sea conditions or maintenance may lead to temporary restrictions or closure.
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.
