Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Nukabira Onsen in Kamishihoro is one of the Tokachi region's premier hot spring destinations, set along the shores of the Nukabira reservoir deep in the Daisetsuzan highland of central Hokkaido, where chloride-rich volcanic water feeds a collection of ryokan and public bathing facilities in a forested wilderness setting of remarkable tranquility and natural integrity. The onsen district's position within the Daisetsuzan volcanic system — the same geothermal zone that drives some of Japan's most powerful hot springs — gives Nukabira waters a satisfying mineral concentration prized for musculoskeletal recovery and circulatory warmth in a region where winters are among the coldest in Japan. The surrounding Tokachi-Mitsumata ski area makes Nukabira a treasured winter onsen destination for Japanese skiers and snowboarders seeking the essential après-ski soaking ritual in warm volcanic chloride water after days on Hokkaido's exceptional powder slopes. The extraordinary night sky visibility in this light-pollution-free Daisetsuzan highland, the volcanic wilderness of Japan's largest national park, and the authentic rural character of the Tokachi agricultural region create a Hokkaido onsen experience of exceptional purity and genuine remoteness.