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Yashima Onsen

Yashima, Akita, Japan
Yashima Onsen
Location
Yashima, Akita, 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

Yashima Onsen is located in the rural Yashima district of Noshiro City in Akita Prefecture, a coastal agricultural community along the Japan Sea where traditional farming villages are set against a backdrop of forested hills and extensive rice paddies typical of inland northern Akita. The surrounding landscape reflects centuries of rice culture and small-scale farming that have sustained Akita communities through long, snowy winters and short, productive growing seasons of extraordinary lushness. The simple thermal waters here offer a genuine taste of undiscovered Tohoku countryside, far from tourist circuits and deeply rooted in the agricultural rhythms that have defined this corner of Japan for generations.

Insider tip — Yashima Onsen rises in the rice-growing lowlands of southern Akita Prefecture, where paddy fields stretch to the horizon under vast winter skies. The gently alkaline bicarbonate spring provides warmth against Akita's notoriously heavy snowfall, with some winters recording over four meters of accumulation. The onsen bathhouses here retain a no-frills, farmhouse aesthetic beloved by Japanese domestic travelers.
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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).