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Soma Onsen Fukushima

Soma, Fukushima, Japan
Soma Onsen Fukushima
Location
Soma, Fukushima, Japan
Water type
sodium chloride
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

Minamisoma, on the Pacific coast of Fukushima Prefecture, is deeply associated with the ancient Soma Nomaoi festival, a UNESCO Intangible Cultural Heritage event in which hundreds of samurai-clad horsemen race across a beach in a stirring pageant that has continued for over a thousand years. Soma Onsen Fukushima taps chloride-rich coastal thermal waters, offering baths that relieve ocean fatigue and warm body and spirit in an area of remarkable cultural resilience and historic identity. The city's ongoing recovery and renewal following the 2011 earthquake and tsunami has become an inspiring story of community determination along the Tohoku Pacific coastline.

Insider tip — Soma Onsen faces the Pacific coast of northern Fukushima and draws sodium-chloride waters from deep marine sedimentary aquifers beneath the Abukuma plateau. The area is historically celebrated for the Soma Nomaoi wild-horse festival, one of Japan's most ancient samurai rituals held each July in full armour on the coastal plain. The thermal baths provide a quiet counterpoint to the festival excitement and are popular with horsemanship families for post-training recovery.
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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 water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).