Lake Akkeshi

Akkeshi-ko (厚岸湖) is a brackish lake near Akkeshi in Hokkaidō, Japan. The wetlands of Lake Akkeshi and Bekanbeushi Marsh (別寒辺牛湿原) have been designated a Ramsar site.

Wetlands
Lake Akkeshi, 11 m deep at its deepest point, is fed by the Bekanbeushi River (別寒辺牛川) and adjoins Akkeshi Bay. It is surrounded by salt marsh, fens, and bogs.

Birds
Since a part of this lake does not freeze, whooper swans and ducks winter there. The white-tailed eagle and Steller's sea eagle also visit. There is a 381ha Japanese crane sanctuary.

Sustainable use
Fishing and the aquaculture of oysters and clams occur in the lake.