The hot springs surrounding the lake are also the result of volcanic activity.

KUSHIRO, Hokkaido—“Marimo” moss balls, the fuzzy green spheres that have brought fame to Lake Akanko here, are shrinking because of global warming, a research group found. The maximum ...

CHITOSE, Hokkaido -- Splash ice, a rare winter phenomenon, has appeared along the shore of Lake Shikotsu in Hokkaido, Japan's northernmost lake that remains unfrozen even in winter. This ...