River Spirits

River Spirits, Water Yokai

阿寒湖のマリモ (Marimo of Lake Akan)

Marimo of Lake Akan: Japan’s Rare Green Treasures Deep within the pristine wilderness of Hokkaido’s Akan-Mashu National Park lies a natural phenomenon that borders on the magical. Lake Akan, a caldera lake known for its crystal-clear waters, is home to the Marimo (Aegagropila linnaei)—velvety green spheres of algae that have captivated scientists and storytellers alike.

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