Michi no Eki Ryokami Onsen; Yakushi no Yu
Ogano, Saitama, Japan
- Location
- Ogano, Saitama, Japan
- Water type
- thermal, bicarbonate
- Temperature
- 39 °C
- pH
- 8
Water profile
Thermicity
Sedative
LowHigh
Relaxing — deep, immediate muscle release.
Mineralisation
Restorative
LowHigh
Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Attached to a roadside rest area (michi no eki) in Ogano, Saitama Prefecture, Yakushi no Yu runs mildly alkaline (pH 8) thermal bicarbonate water at 39°C, alongside an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — 'Yakushi no Yu' (Healing-Buddha waters) at Ryokami Onsen is attached to a Michi no Eki (roadside rest station) in Ogano, western Saitama. 'Ryokami' (two gods) refers to the twin-peaked sacred mountain above. Easily accessible from the Chichibu area, it's a rewarding stop on the mountain-driving circuit.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 39 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features thermal & bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.