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Helston Onsen

Aki, Kochi, Shikoku, Japan
Helston Onsen
Location
Aki, Kochi, Shikoku, Japan
Water type
sodium chloride, thermal
Temperature
40 °C
pH
7.3

Water profile

Thermicity
Sedative
40 °C
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

Helston Onsen is located in Aki, on the island of Shikoku, Kochi Prefecture. Its sodium-chloride thermal water flows at 40°C (104°F). Visitors will find an indoor bath, an outdoor rotenburo bath and a sauna.

Insider tip — Aki City on Kochi's Pacific coast is twinned with Helston, Cornwall (UK) — home of the ancient Furry Dance (Helston Floral Dance, held each May 8th since medieval times). This onsen bears the English sister city's name as a gesture of international friendship. Aki is also the birthplace of Iwasaki Yataro, founder of Mitsubishi (one of Japan's largest conglomerates); the city faces the Pacific Ocean and is known for fine seafood and the ancient Yasakani no Magatama sacred jewel displayed at the local shrine.
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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 sodium chloride & thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.