Sesso no Yu; Sessokyo Onsen Kaikan (Sesso)
Kawanehon-cho, Shizuoka, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Kawanehon-cho, Shizuoka, 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
Sesso no Yu, at Sessokyo Onsen Kaikan, is in Kawanehon-cho, Shizuoka Prefecture. Its sodium-chloride water emerges at 41°C, pH 7.3. The site offers an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — Deep in the Oi River gorge of Kawanehon, where the Oigawa Railway's steam locomotive puffs through tea terraces and cedar forests to reach Japan's highest-altitude railway station, Sessokyo Onsen sits in a dramatic canyon setting; the combination of SL steam engine nostalgia, premium Kawane tea, and remote mountain mineral spring makes this one of Shizuoka's most complete experiential destinations.
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.