Koedo Hatsukari Onsen
Kawagoe, Saitama, Japan
- Location
- Kawagoe, Saitama, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Thermicity
Sedative
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
Koedo Hatsukari Onsen is located in Kawagoe, Saitama Prefecture, a city nicknamed 'Koedo' for its historic district. Sodium-chloride water emerges here at 41°C, with an indoor bath, an outdoor rotenburo bath and a sauna.
Insider tip — Koedo Hatsukari Onsen takes its name from Kawagoe's nickname (Koedo = Little Edo) and the first wild goose of autumn (hatsukari) — a poetic name for a city that takes its Edo heritage seriously. The dark sodium water tints the tile bath a rich amber.
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.