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Enmei no Ishi Furo

Nagato, Yamaguchi, Japan
Enmei no Ishi Furo
Location
Nagato, Yamaguchi, Japan
Water type
sodium chloride
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °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

Enmei no Ishi Furo — the Life-Prolonging Stone Bath — is a traditional stone bathing fixture in the area of Nagato, western Yamaguchi Prefecture, home to Nagato Yumoto Onsen, one of the oldest and most respected hot spring towns in the Chugoku region. The sodium-chloride water at 41 °C, prized for its ability to warm the body deeply and ease muscular tension, has flowed through these stone bathing vessels long before modern ryokan lined the banks of the Otozure River.

Bathing in a traditional stone tub adds a unique sensory dimension: the warm solidity of granite or basalt, the steam rising from water at 41 °C, the particular acoustics of a semi-open space — all combine to create an onsen experience of undiminished authenticity. The Japanese philosophy of bathing — full presence in the moment, a release of daily preoccupations — finds its most refined expression in spaces such as this.

In autumn, the maples lining the Otozure River turn crimson and gold, setting the ryokan terraces of Nagato ablaze with colour. It is in this season that the atmosphere of the region reaches a particular fullness, making Enmei no Ishi Furo an invitation to quiet contemplation and inner travel.

Insider tip — Enmei no Ishi Furo — the Stone Bath of Long Life — is a historic bathing facility in Yamaguchi Prefecture, one of Japan's less-visited onsen regions. The sodium-chloride waters are said to warm the body deeply, with the traditional stone bath construction retaining heat longer than modern tiled baths. Yamaguchi Prefecture's onsen culture remains unhurried and largely undiscovered by foreign visitors, offering an authentic glimpse into rural Japanese bathing ritual. The surrounding Chugoku mountain landscape is particularly beautiful in autumn foliage season.
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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 sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).