Overview
A lake formed when an eruption of Mount Meakan dammed a river. Its colour changes with the angle and the hour.
About this place
A barrier lake in Ashoro, Hokkaido, at the westernmost end of Akan-Mashu National Park. Its maximum depth is about 10 m, and the lake formed when the Rawan River was dammed by lava from an eruption of Mount Meakan. The surface changes among clear blue, emerald green and dark blue, looking different with season, weather and angle. Closed in winter.
Source visit-hokkaido.jp ↗Official website
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Source town.ashoro.hokkaido.jp ↗Before you go
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