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Jiseiji Onsen

Mine, Yamaguchi Prefecture, Japan
Jiseiji Onsen
Location
Mine, Yamaguchi Prefecture, Japan
Water type
thermal
Temperature
41 °C
pH
7.3

Water profile

Thermicity
Sedative
41 °C
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

Jiseiji Onsen carries a name that evokes the Buddhist temple tradition of Japan, where the term jiseiji suggests an association with monastic care and cultivation of natural springs, a longstanding pattern in which Buddhist establishments managed thermal resources for the benefit of pilgrims, travelers, and local communities across many centuries of Japanese history. The spring flows with simple thermal waters whose gentle, universally accessible mineral character aligns with the spirit of charitable stewardship that characterized the role of temple-affiliated hot springs in pre-modern Japan, where bathing was understood as both physical refreshment and spiritual purification. Jiseiji Onsen embodies the deeply intertwined relationship between Japanese religious culture and the natural thermal resources of the volcanic archipelago, where the warmth of the earth was long understood as a form of divine grace to be shared freely with those who came to seek it.

Insider tip — Jiseiji Onsen sits in the rolling hills of Yamaguchi Prefecture near the ancient temple district of Mine. The soft alkaline waters are prized locally for their skin-softening qualities. The surrounding cedar forest creates a serene atmosphere especially in the early morning hours. A small rotenburo (outdoor bath) offers views of the wooded valley.
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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 thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).