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Yatsushiro Onsen Kumamoto

Yatsushiro, Kumamoto Prefecture, Kyushu, Japan
Yatsushiro Onsen Kumamoto
Location
Yatsushiro, Kumamoto Prefecture, Kyushu, Japan
Water type
sodium chloride
Temperature
40 °C
pH
7.3

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
Effortless float
LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

Yatsushiro Onsen Kumamoto is a thermal bathing facility in Yatsushiro City on the Yatsushiro Sea coast of southern Kumamoto Prefecture, a historically important port city that served as the administrative and commercial gateway to the Kuma River valley and the Hitoyoshi Basin, one of Japan's most beautiful river valleys where the wild Kuma River offers some of the finest whitewater rafting in the Japanese archipelago through a dramatic gorge of ancient vegetation and traditional river villages that have been designated a nationally significant cultural and natural landscape. The city is historically associated with Katō Kiyomasa, the celebrated daimyo who built Kumamoto Castle and governed the Higo domain with enlightened efficiency, and Yatsushiro Castle (Matsue Castle) preserves the ruins of one of Kyushu's finest feudal strongholds above the modern city. The chloride thermal spring waters here provide bathing in a historically significant city that serves as the coastal gateway to some of Kyushu's most dramatic interior landscapes, including the Hitoyoshi samurai heritage town, the Aoi Aso Shrine, and the magnificent river valley culture of the upper Kuma River system.

Insider tip — Yatsushiro Onsen taps the chloride-saline aquifer beneath this port city at the southern end of Kumamoto Prefecture, facing the Yatsushiro Sea across to the Amakusa islands. The sodium-chloride waters are warming and well-suited for the humid coastal climate of southern Kyushu. The city is also known for its Myoken Festival featuring giant tortoise and snake floats, and the onsen serves as a daily restorative for both fishermen and festival participants.
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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 sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).