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Asakuchi Onsen

Asakuchi, Okayama Prefecture, Japan
Asakuchi Onsen
Location
Asakuchi, Okayama Prefecture, Japan
Water type
bicarbonate
Temperature
40 °C
pH
8

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Asakuchi Onsen is located in Asakuchi City, Okayama Prefecture, on the Seto Inland Sea shore of Okayama at the Kasaoka Bay zone, an area of gentle coastal scenery where the agricultural Okayama plain meets the calm waters of the Inland Sea amid salt flats and reclaimed agricultural land that characterize this productive coastal lowland. The siliceous thermal waters here serve a coastal agricultural city whose position between the Okayama plain's extensive rice fields and peach orchards — Okayama is Japan's leading white peach producer — and the Inland Sea's fishing culture creates a productive and pleasant coastal landscape typical of central Okayama's southern shore. These onsen provide warm mineral spring bathing in a setting where the prosperity of Okayama's famous agricultural heritage and the calm beauty of the Seto Inland Sea coastline define the everyday landscape of this productive Japanese coastal community.

Insider tip — Asakuchi Onsen sits in the gentle lowlands of western Okayama, where mild bicarbonate waters have been used for centuries to soothe skin and joints. The surrounding Setouchi countryside, with its mild climate and citrus groves, gives the experience a distinctly unhurried Chugoku character. Visit in autumn when the persimmon trees along the approach road turn amber.
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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 bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).