Kodama Onsen (Closed)
Honjo, Saitama, Japan
- Location
- Honjo, 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
Kodama Onsen, now closed, was located in Honjo, Saitama prefecture. Its sodium-chloride water emerged at 41°C with a pH of 7.3, and the facility offered an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Kodama Onsen is recorded in OpenStreetMap as closed, so verify current status before visiting. The Kodama area of Honjo sits in western Saitama at the edge of the Kanto Plain, historically a post-station on the old Nakasendo highway connecting Edo to Kyoto.
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.