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Yajima Onsen

Yajima, Akita Prefecture, Tohoku, Japan
Yajima Onsen
Location
Yajima, Akita Prefecture, Tohoku, Japan
Water type
bicarbonate
Temperature
40 °C
pH
8

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
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesSodiumCalcium

Yajima Onsen is located in the Yajima district of Noshiro City in Akita Prefecture, a coastal community with a proud tradition of Noshiro Sugi cedar cultivation, the distinctive local variety of Japanese cedar that has been harvested and crafted into fine furniture, joinery, and lacquerware for centuries in one of northern Japan's most important timber-working regions. Noshiro City has also emerged as a pioneering center for wind energy development along the Japan Sea coast, where consistent sea winds power one of Japan's densest concentrations of wind turbines standing above the beach and coastal farmland. The thermal waters here offer restoration in a city balancing its deep forestry heritage with a forward-looking role in Japan's renewable energy future.

Insider tip — Yajima Onsen occupies a quiet inland hollow in central Akita, bordered by cedar plantations and small farming hamlets. The alkaline bicarbonate waters have a reputation for easing joint stiffness, drawing older visitors from surrounding villages year-round. The unhurried pace makes it an ideal stop on a slow driving tour through the Akita interior. Snowfall from December to March wraps the entire valley in deep white, and outdoor baths become especially atmospheric in heavy snowfall.
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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 bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).