Uenohara Onsen

Uenohara, Yamanashi Prefecture, Japan

Location: Uenohara, Yamanashi Prefecture, Japan
Water type: silica
Temperature: 42 °C
pH: 7.2

Water profile

Thermicity

Sedative

42 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Balancing

LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy

Standard buoyancy

LowHigh

Soft water — natural, classic buoyancy.

SiliceSodiumBicarbonates

Uenohara Onsen lies at the southernmost edge of Yamanashi Prefecture, where the Chuo Line descends from the mountains toward the Kanto Plain and the transition between highland and lowland climates creates a landscape of particular seasonal beauty with vivid autumn foliage and early spring blossoms. The city serves as the first or last stop in Yamanashi for many travelers following the Chuo corridor between Tokyo and the Fuji Five Lakes or the Kofu Basin, giving it a distinct character as a gateway community shaped by the constant flow of mountain-bound travelers. The onsen's warm mineral waters offer a restorative soak in a city that occupies the compelling boundary between two of Japan's most dramatically different landscapes.

Insider tip — Uenohara sits at the Yamanashi-Tokyo prefectural boundary along the upper Sagami River, where silica-rich waters are drawn from 1,500-metre-deep artesian wells at 42°C. The setting — cedar forests meeting flat riverside terraces — gives this onsen a tranquil character unusual this close to the capital. Weekend warriors from Tokyo use it as a decompression stop after hiking the nearby Takao or Ogura ridge trails. The indoor hinoki cypress tubs have a particularly refined aromatic finish.

Find hotels nearby →Tickets & activities →See the map & practical info →