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Ajimu Onsen Winespa

Ajimu, Usa City, Oita Prefecture, Kyushu, Japan
Ajimu Onsen Winespa
Location
Ajimu, Usa City, Oita Prefecture, Kyushu, Japan
Water type
bicarbonate
Temperature
42 °C
pH
8

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.

BicarbonatesSodiumCalcium

Ajimu Onsen Winespa is a distinctive wellness facility combining hot spring bathing with wine therapy in the Ajimu wine district of Usa City, Oita Prefecture, one of Japan's most established domestic wine-producing regions where the gentle hills of the Ajimu basin have been cultivated with European grape varieties since the 1970s to produce Chardonnay, Merlot, and Cabernet wines that have earned recognition in international competitions and established Ajimu as a pioneering center of Japanese fine wine culture in the unlikely setting of northern Kyushu. The Usa area is also home to the Usa Shrine, one of the most important Hachiман (god of war and archery) shrines in Japan, second in significance only to the imperial Tsurugaoka Hachiманgū in Kamakura, whose ancient pilgrimage tradition and elaborate festival ceremonies have drawn worshippers to this northern Oita site for over 1,300 years. The sodium-bicarbonate thermal spring waters of Winespa are creatively combined with wine-based body treatments and wine-infused soaking additives in a wellness concept that celebrates both Ajimu's geothermal heritage and its pioneering role in bringing European viticulture to the volcanic soils of Oita Prefecture.

Insider tip — Ajimu Winespa pairs the rural wine country of Usa Basin with a sodium-bicarbonate onsen in the rolling hills of inland Oita. The gentle alkaline waters complement the resort's viticulture theme, and guests can soak while gazing over Concord grape vineyards — an unusual pairing unique to this agricultural corner of Kyushu. The facility is quieter than Beppu's tourist circuit and appeals to those seeking a slower countryside rhythm.
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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 bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année (idéal automne-hiver).