Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Echigo Nagano Onsen rises in the snow country of Niigata Prefecture—the ancient Echigo Province whose vast winter snowfalls and mountain landscapes provided the setting for Nobel laureate Yasunari Kawabata's novel Snow Country (Yukiguni), the most celebrated literary evocation of the Japanese onsen tradition in world literature and a story set precisely in the kind of remote mountain hot spring inn that defines Niigata's thermal character. The sulfurous waters carry the volcanic intensity typical of Niigata's thermally active mountain areas, where geological forces that produce heavy snowfall and dramatic topography also bring mineral-rich thermal waters to the surface with particular energy. Bathing in sulfurous spring water within Echigo's famous snow country landscape brings together two of the most essential elements of Japanese winter culture: the white silence of heavy snowfall and the volcanic warmth of the sulfurous mineral bath.
Insider tip — Echigo Nagano Onsen is a mountain spring deep in the Uonuma highlands of Niigata, where volcanic activity produces strongly sulfurous waters at high temperature. The powerful mineral content is traditionally valued for treating arthritis and skin disorders, and the spring has served mountain communities for generations. Heavy winter snowfall isolates the area from December through March, making it a true snow-country escape. Arrive in autumn to soak surrounded by golden beech forests descending into the valley below.