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Gunma Onsen; Yasuragi no Yu

Fujioka, Gunma, Japan
Gunma Onsen; Yasuragi no Yu
Location
Fujioka, Gunma, Japan
Water type
iron-rich, thermal
Temperature
40 °C
pH
6.3

Water profile

Thermicity
Sedative
40 °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.

FerBicarbonatesManganèse

Gunma Onsen Yasuragi no Yu is located in Fujioka, Gunma prefecture. Its water, both iron-rich and thermal, emerges at 40°C with a pH of 6.3, alongside an indoor bath, an outdoor rotenburo and a sauna.

Insider tip — Gunma Onsen Yasuragi no Yu sits on the western edge of Fujioka city, blending mild thermal waters with a trace of iron that gives the bath a warm amber hue at certain times of year. The name Yasuragi means tranquility, and the unhurried atmosphere lives up to it. Multiple bath zones including a low-temperature recovery pool cater to all ages. The tatami rest area is a highlight for post-soak relaxation with green tea.
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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 iron-rich & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).