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Ranzan Onsen Saitama

Ranzan, Japan
Ranzan Onsen Saitama
Location
Ranzan, Japan
Water type
bicarbonate
Temperature
41 °C
pH
9

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
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

MagnésiumSodiumCO

Ranzan Onsen Saitama is a hot spring facility in Ranzan, a town in the Hiki District of Saitama Prefecture, Japan, situated in the green Musashino plateau countryside northwest of Tokyo, an area famous for its azalea and autumn foliage landscapes, the Ranzan Gorge scenic area, and the historical role the region played in the Sengoku period military campaigns of the powerful Hojo clan whose strategic network extended through the Musashino plateau. The naturally bicarbonate-rich spring waters here are valued for their gentle alkaline character that softens skin and promotes relaxation, offering a therapeutic mineral retreat in the greenbelt countryside that shields Saitama's northwestern fringe from Tokyo's metropolitan sprawl. Combining the scenic gorge landscapes, Sengoku period historical resonance, and the soothing wellness of natural bicarbonate hot spring bathing, Ranzan Onsen provides an accessible and genuinely restorative countryside escape for Tokyo metropolitan area residents.

Insider tip — Visit Ranzan Onsen Saitama in winter for a memorable thermal experience.
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Nearby

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 bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Décembre|Janvier|Février.