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Mizusawa Onsenkyō

Senboku, Akita, Japan
Mizusawa Onsenkyō
Location
Senboku, Akita, Japan
Water type
thermal
Temperature
40 °C
pH
7.3

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Balancing
LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesCalcium

Mizusawa Onsenkyo is a simple thermal spring cluster in Semboku City, Akita Prefecture, located alongside the Tazawako-Kogen Onsenkyo near the shores of Lake Tazawa—Japan's deepest lake—and the volcanic profile of Mt. Akita-Komagatake, one of Tohoku's most celebrated alpine peaks for summer hiking and winter skiing. The simple alkaline waters of Mizusawa provide the accessible, skin-softening mineral soak that complements a day of hiking Komagatake's alpine flower trails in summer or skiing the adjacent slopes in the heavy snow of an Akita highland winter. Together with its Tazawako-Kogen neighbor, Mizusawa forms a rich highland resort zone where volcanic mountain, sacred deep lake, and thermal spring create a layered environment of natural beauty and seasonal recreation.

Insider tip — Mizusawa Onsenkyo is a quiet onsen village nestled in the highlands near Lake Tazawa, offering simple thermal baths in a serene mountain setting. The alkaline waters are soft and gentle, suitable for bathing multiple times a day without irritating sensitive skin. The location makes it a perfect base for exploring the Nyuto Onsen district to the north. Local ryokan here serve excellent Akita cuisine including kiritanpo hot pot.
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Nearby

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 thermal water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).