Olive Onsen Manten no Yu
Tonosho, Kagawa, Japan
Illustration photo — not a verified picture of this exact spot.
- Location
- Tonosho, Kagawa, Japan
- Water type
- sodium chloride, thermal
- 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
The Olive Onsen Manten no Yu onsen, in Tonosho, Kagawa, offers thermal sodium-chloride water at 39°C in a setting combining an indoor bath, outdoor bath and sauna.
Insider tip — Olive Onsen 'Manten no Yu' (full-sky waters) on Shodoshima island in the Seto Inland Sea — Japan's premier olive island, where the country's first olive farm was planted in 1908. The sea-spray sodium-chloride waters perfectly complement the island's Mediterranean atmosphere. In spring, olive groves and Seto blue sky from outdoor baths are unforgettable.
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 sodium chloride & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.