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Bandai Atami Onsen

Koriyama, Fukushima, Japan
Bandai Atami Onsen
Location
Koriyama, Fukushima, Japan
Water type
calcium-rich
Temperature
42 °C
pH
7.3

Water profile

Thermicity
Sedative
42 °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

Bandai Atami Onsen in Fukushima Prefecture draws its evocative name from the combination of the celebrated Mount Bandai volcano — whose catastrophic 1888 eruption reshaped northern Fukushima's landscape and created the Urabandai lakes district — and Atami, the famous Izu Peninsula coastal resort, suggesting a spring that seeks to capture both the volcanic heritage of Fukushima and the coastal resort allure of one of Japan's most famous thermal destinations. The spring flows with sulfate-rich thermal waters from the active volcanic geology of the Bandai volcanic system, one of Tohoku's most geothermally productive volcanic complexes, whose ongoing activity continues to produce thermal springs of considerable mineral richness across the Aizu basin and the surrounding mountain districts. Bandai Atami Onsen's combination of its Bandai volcanic mineral heritage and its aspirational resort name reflects the broader tradition in Japanese onsen culture of creating destination identities that invoke the most celebrated thermal bathing traditions of the country, inviting visitors to experience the volcanic mineral wealth of Fukushima in a setting shaped by both genuine geological heritage and the cultural resonance of Japan's most famous resort names.

Insider tip — Bandai Atami Onsen sits along the Abukuma River in Fukushima, with calcium-sulfate springs that have built a reputation for easing joint pain and skin conditions. The resort town retains old-fashioned shotengai arcade streets lined with ryokan that have served travelers since the railway age. Waters emerge at a vigorous 42 degrees and are particularly prized for post-ski recovery after days on the Bandai plateau. The evening illuminations along the riverside are a low-key delight rarely mentioned in guidebooks.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 42 °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).