Furubira Onsen
- Location
- Furubira, Hokkaido, Japan
- Water type
- sodium chloride
- Temperature
- 41 °C
- pH
- 7.3
Water profile
Relaxing — deep, immediate muscle release.
Loaded with major ions — the essential minerals (Ca, Mg).
Dense, salty water — you float without effort.
Furubira Onsen is found in Furubira, a small fishing village on the Shakotan Peninsula in western Hokkaido, renowned throughout Japan and beyond for the exceptional quality of its Bafun sea urchin (uni) — considered the finest grade of sea urchin available in Japan, harvested from the crystal-clear cobalt-blue waters of the Shakotan coast where cold currents and rich kelp forests create ideal conditions for producing urchin of unparalleled sweetness and flavor. The village's dramatic coastal setting of sea stacks, wave-carved cliffs, and intensely blue water makes it one of Hokkaido's most visually striking destinations in summer. The onsen here provide warming mineral bathing after days spent exploring the wild Shakotan Peninsula coastline or enjoying the seasonal uni harvest festival, offering a deeply local Hokkaido experience anchored in the fishing community's ancient relationship with the sea.