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Aizu Hongo Onsen

Aizu-Misato, Fukushima, Japan
Aizu Hongo Onsen
Location
Aizu-Misato, Fukushima, Japan
Water type
calcium-rich
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
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

CalciumSulfatesMagnésium

Aizu Hongo Onsen rises in the historic pottery town of Aizu Hongo in Fukushima Prefecture, where generations of craftspeople have shaped the famous Aizu Hongo-yaki ceramic tradition—one of Japan's most celebrated regional pottery styles—in a landscape where the same volcanic geology provides both the clay bodies for the kilns and the thermal waters that sustain the community's daily life. The sulfated waters carry the mineral richness of the volcanic Aizu highland geology, offering a smooth, circulation-promoting soak in a town where the arts of fire—from kiln and volcanic earth alike—define both culture and landscape in an inseparable union. Bathing at Aizu Hongo connects visitors to the deep interconnection between Japan's ceramic arts heritage and the volcanic forces that have shaped both landscape and human creativity in this Fukushima mountain community.

Insider tip — Aizu Hongo Onsen in the Aizu-Misato region of western Fukushima lies near the Hongo-yaki pottery district — one of Japan's oldest porcelain-producing centres, where the white-clay-and-cobalt-blue Aizu Hongo ware has been crafted since the 16th century. The calcium-sulfate springs serve a landscape in the snow country of the historic Aizu domain, where the deep cultural heritage of pottery, lacquerware, and proud samurai history defines one of northern Honshu's most distinctive regions.
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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 calcium-rich water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).