ThermaeExplore the map →

Kodaira Onsen Tokyo

Kodaira, Tokyo Metropolis, Japan
Kodaira Onsen Tokyo
Location
Kodaira, Tokyo Metropolis, 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

Kodaira, in the central western part of Tokyo Metropolis on the Seibu Tama Lake and Ikebukuro Lines, is a residential community known for its traditional farmhouse preservation in the Kodaira Furusato Village open-air museum and the Tamagawa Josui waterway — an Edo-period canal that brought water from the Tama River to central Edo — preserved as a scenic green corridor through the suburban landscape. Kodaira Onsen Tokyo draws on chloride-rich thermal waters from the geological resources of the western Tokyo plateau, offering warm restorative baths in a suburban community whose traditional waterway heritage, the preserved farmhouse museum, and the Edogawa Josui green corridor cycling paths create a pleasantly green and historically connected spa setting in western Tokyo. The Kodaira Furusato Village open-air folk museum, the Tamagawa Josui historic waterway green corridor cycling route, and the traditional Musashino plateau farmhouse landscapes preserved in the city's parks create a gently historic and naturally pleasant suburban spa destination in western Tokyo Metropolis.

Insider tip — Kodaira sits on the broad Musashino Plateau in central western Tokyo, and its neighbourhood sento draws saline water from deep wells that penetrate the Pleistocene gravel terraces. The 41°C sodium-chloride bath is a workhorse facility for the city's large commuter and university-student population, valued for its reliable warmth and straightforward pricing. A modest tatami rest area provides a place to cool down and drink cold milk in the classic sento fashion. Kodaira's quiet streets and community gardens make the post-bath walk home an unexpectedly pleasant suburban ritual.
Find hotels nearby →Tickets & activities →See the map & practical info →

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 sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).