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Chofu Onsen

Chofu, Tokyo, Japan
Chofu Onsen
Location
Chofu, Tokyo, 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

Chofu Onsen provides siliceous mineral bathing in the city of Chofu in western Tokyo Prefecture, a pleasant residential city on the Keio line whose Jindaiji—one of the oldest temples in the Kanto region, founded in 733 CE and surrounded by a preserved historical temple town of soba noodle restaurants that have made 'Jindaiji soba' famous throughout metropolitan Tokyo—gives this suburban city an authentic historical anchor amid the commuter rhythms of the western Tokyo corridor. The thermal facility serves a city where the Keio Line's commuter culture, the Nogawa Park's riverside meadows, and the preserved Edo-period townscape of the Jindaiji temple precinct create a layered residential environment that successfully maintains traditional neighborhood character against the homogenizing pressure of metropolitan suburban development. The Jindaiji soba tradition, the ancient temple's seasonal beauty, and the warm mineral waters of Chofu's neighborhood onsen reflect a western Tokyo city that honors the culinary and spiritual heritage embedded in its suburban landscape.

Insider tip — Chofu along the Tama River corridor in central-western Tokyo is home to well-established sento facilities that harness the deep Kanto sodium-chloride aquifer. The amber-tinted, mildly saline water is prized for softening skin and easing muscle fatigue after a day navigating the capital. Chofu's pleasant riverside setting means you can combine your onsen visit with a walk along the Tama River embankment, especially beautiful when the cherry blossoms are out.
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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).