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Honjo Onsen Akita

Yurihonjo (Honjo district), Akita Prefecture, Tohoku, Japan
Honjo Onsen Akita
Location
Yurihonjo (Honjo district), 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

Honjo Onsen Akita is set in the Honjo district of Yurihonjo City, the historical castle town of southern Akita Prefecture that served during the Edo period as the administrative and commercial center of the Honjo Domain, whose lords governed a prosperous agricultural and coastal trading territory facing the Japan Sea. The Honjo district preserves traces of its castle-town past in its street grid and local temples, while the broader Yurihonjo City extends into the mountain zone approaching the sacred Chokaisan volcanic massif whose glacial waters feed the rivers and wells of this productive coastal plain. Bathing in the mild sulfurous thermal waters here is a quietly restorative experience in a historic town that built its identity on the intersection of sea trade, samurai governance, and the fertile bounty of southern Akita.

Insider tip — Honjo Onsen Akita occupies the historic port-town quarter of present-day Yurihonjo city, where Edo-period merchant culture once thrived along the Minamikawa river delta. The bicarbonate waters are mild in character, earning a loyal following among residents who favour a long daily soak over spa theatrics. The surrounding streets contain well-preserved warehouses and sake breweries that invite leisurely exploration before or after bathing. In winter, steaming from outdoor pools mingles with drifting sea fog for an otherworldly early-morning scene.
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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).