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Sayama Onsen Saitama

Sayama, Japan
Sayama Onsen Saitama
Location
Sayama, Japan
Water type
bicarbonate, sodium chloride
Temperature
43 °C
pH
8.3

Water profile

Thermicity
Sedative
43 °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.

MagnésiumCOCalciumBicarbonate

Sayama Onsen Saitama is a natural hot spring in Sayama, a city in the Saitama metropolitan fringe northwest of Tokyo, Japan, situated near the Sayama Hills whose forests and the Sayama Lake reservoir supply drinking water to the greater Tokyo metropolitan area, and whose scenic woodland trails attract weekend hikers from the capital seeking accessible natural respite from the urban environment. The naturally bicarbonate-rich spring waters here are prized for their alkaline, skin-softening, and digestive-supportive properties, offering Sayama City's residents and Tokyo day-trippers a refreshing therapeutic mineral soak in the greenery-fringed western Saitama countryside. Combining the forested Sayama Hills watershed landscape, the important ecological and civic role of the Sayama Reservoir in supplying Tokyo's water, and the restorative pleasure of natural bicarbonate hot spring bathing, Sayama Onsen provides a quietly valuable and genuinely therapeutic suburban wellness destination.

Insider tip — The waters of Sayama Onsen Saitama at 43°C are especially valued for promoting digestion and softening the skin.
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