Koraku Onsen Honoka no Yu
Asakuchi, Okayama, Japan
- Location
- Asakuchi, Okayama, Japan
- Water type
- thermal
- Temperature
- 40 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Balancing
LowHigh
Rich in trace elements — gentle on the skin.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesCalcium
In Asakuchi, Okayama prefecture, Koraku Onsen Honoka no Yu draws thermal water at 40°C with a pH of 7.3. The facility pairs an indoor pool with an outdoor rotenburo bath and a sauna.
Insider tip — Koraku Onsen Honoka no Yu is a modern thermal spa facility in the Setouchi coastal zone of Okayama Prefecture, close to the calm waters of the Seto Inland Sea. The mild alkaline thermal waters are well-suited for long, relaxing soaks after cycling or hiking the Shimanami Kaido cycling route nearby. The facility offers indoor and outdoor pools with views of citrus orchards typical of this mild climate zone. A welcoming stop on any slow coastal journey through western Honshu.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).