Hakushu Shiozawa Onsen; Fossa Magna no Yu
Hokuto, Yamanashi, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Hokuto, Yamanashi, Japan
- Water type
- bicarbonate
- Temperature
- 40 °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
Hakushu Shiozawa Onsen Fossa Magna no Yu, in Hokuto (Yamanashi), takes its name from the nearby geological fault line. Its bicarbonate water, pH 8, reaches 40°C in an indoor bath and an outdoor rotenburo bath, with a sauna.
Insider tip — Fossa Magna no Yu takes its name from the great geological rift dividing the Japanese archipelago into east and west — and it runs directly beneath this spring. The Hakushu district is also home to Suntory whisky distillery, and the pure snowmelt water that enters the earth here produces both fine whisky and fine bathing.
Nearby
Frequently asked questions
How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.