Kutcharo

a lake in the eastern part of Hokkaido in Japan, situated at an elevation of 121 m in a large caldera of a volcano. Kutcharo has an area of 76.2 sq km and reaches a depth of 125 m. On the lake is the island of Tomoshiri, the caldera’s central cone. Along the shores are thermal springs and forests. Kutcharo Lake drains into the Pacific Ocean through the Kushiro River. It is part of Akan National Park.