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Yudomari Onsen

Yudomari, Yakushima Island, Kagoshima, Japan
Yudomari Onsen
Location
Yudomari, Yakushima Island, Kagoshima, Japan
Water type
sulfurous, iron-rich
Temperature
44 °C
pH
6.5

Water profile

Thermicity
Sedative
44 °C
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.

SoufreSulfuresSulfates

Yudomari Onsen sits on Yakushima Island, Kagoshima, Japan. Its sulfurous, iron-rich water emerges at 44°C (pH 6.5), feeding an indoor bath, an outdoor rotenburo and a sauna.

Insider tip — Yudomari Onsen sits on Yakushima, a volcanic UNESCO island off Kyushu's southern tip, where geothermal activity produces richly sulfurous, iron-tinged waters. The bathhouse is a beloved local facility serving the small fishing community. Arrive early in the morning to enjoy the baths before the daily crowds from the island's eco-tourism circuit. The surrounding cedar forest and ocean backdrop make the experience uniquely atmospheric.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 44 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sulfurous & iron-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.