Kawabe Onsen Ume no Yu
Iruma Area, Saitama, Japan
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- Location
- Iruma Area, 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.
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Kawabe Onsen Ume no Yu welcomes bathers in the Iruma area of Saitama Prefecture, just north of Tokyo. Its sodium-chloride water, near-neutral at pH 7.3, flows at 41°C through an indoor bath and an outdoor rotenburo. An on-site sauna rounds out the visit.
Insider tip — Kawabe Onsen Ume no Yu, plum blossom bath, draws a sodium-chloride spring from the deep sedimentary aquifer beneath the Kanto plain, a geological layer rich in ancient seawater minerals. This sento-style facility caters to urban commuters from the greater Tokyo area seeking a relaxing, restorative soak close to home. The salt-mineral water warms the body pleasantly and leaves a soft sheen on skin. Plum trees on the grounds blossom in late February, making that season particularly atmospheric for a visit.
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).