Yasui Onsen
Sumiyoshi Ward, Osaka, Japan
- Location
- Sumiyoshi Ward, Osaka, Japan
- Water type
- iron-rich
- Temperature
- 41 °C
- pH
- 6.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Bio-active
LowHigh
Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
FerBicarbonatesManganèse
Yasui Onsen, in Sumiyoshi Ward, Osaka, is a Japanese thermal bathhouse with iron-rich water. The water emerges at around 41°C. The bathhouse offers an indoor bath, an open-air bath (rotenburo) and a sauna.
Insider tip — Yasui Onsen is located in Sumiyoshi Ward in southern Osaka, near the ancient Sumiyoshi Grand Shrine, one of Japan's oldest Shinto sanctuaries. The iron-rich waters emerge with a warm amber coloring and metallic mineral content that local residents prize for its reputed benefits for circulation and fatigue recovery. Southern Osaka retains a strong neighborhood onsen culture, and Yasui is a beloved local institution. Combining a morning visit to Sumiyoshi Taisha shrine with an afternoon soak at Yasui Onsen makes for a deeply traditional Osaka day.
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 iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).