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Tanohara Onsen

Kokonoe, Oita, Japan
Tanohara Onsen
Location
Kokonoe, Oita, Japan
Water type
sulfurous
Temperature
42 °C
pH
6.5

Water profile

Thermicity
Sedative
42 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

SoufreSulfuresSulfates

Tanohara Onsen is a Japanese thermal spring whose name — Rice Field Plain — evokes the agricultural landscapes of rural Japan where hot springs have long coexisted with farming communities, providing warmth and mineral bathing for generations of workers whose bodies were shaped by the physical demands of paddy cultivation across Japan's seasonal agricultural rhythms. Springs embedded within agricultural landscapes carry a particular character in Japan's onsen tradition — they are community wells as much as resorts, places where neighbors gather daily rather than occasional destinations for leisure travelers from distant cities. Tanohara Onsen preserves this tradition of the everyday communal bath in the rhythm of rural Japan's seasonal working life, offering thermal comfort and restoration to those who labor in the surrounding fields.

Insider tip — Tanohara Onsen in the Kokonoe highlands of Oita lies in the volcanic Kuju mountains of central Kyushu — a landscape of grasslands, geothermal steam vents, and Japan's highest pedestrian suspension bridge. The sulfurous springs draw on the abundant geothermal energy of Oita, Japan's hot-spring capital, in a dramatic highland setting where the Kuju volcanoes and vast Handa highland grasslands create one of Kyushu's most distinctive geothermally active landscapes.
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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 sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.