Yoshida Onsen; Shinsaku no Yu
Shimonoseki, Yamaguchi, Japan
- Location
- Shimonoseki, Yamaguchi, Japan
- Water type
- thermal, sodium chloride
- Temperature
- 39 °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
In Shimonoseki, Yamaguchi, Japan, Yoshida Onsen; Shinsaku no Yu taps a spring whose thermal sodium-chloride water reaches 39°C. Indoor bath, rotenburo and sauna round out the offering.
Insider tip — 'Shinsaku no Yu' at Yoshida Onsen in Shimonoseki, the westernmost tip of Honshu, famous for fugu (puffer fish) cuisine and the Kanmon Straits where Japan's most dramatic naval battle (Dan-no-ura, 1185) was fought. The sodium-rich waters warm visitors after walks along the Kanmon suspension bridge.
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 & sodium chloride water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.