Kuramae Onsen Sarasa no Yu
Sakai, Osaka, Japan
- Location
- Sakai, Osaka, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Effortless float
LowHigh
Dense, salty water — you float without effort.
SodiumChloruresBrome
Kuramae Onsen Sarasa no Yu is a hot spring bathhouse in Sakai, Osaka Prefecture. Its sodium-chloride water is heated to 41°C and feeds both an indoor bath and an outdoor rotenburo. A sauna is also on offer.
Insider tip — Sakai has a proud independent civic identity stretching back to the merchant republic era. Sarasa no Yu's warm sodium-rich water is a favourite among the city's artisans and metalworkers after long studio hours.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 41 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.