Edward, Lake, or Edward Nyanza, a lake in east-central Africa, on the border of the Democratic Republic of the Congo and Uganda. It is about 50 miles (80 km) long and 30 miles (48 km) wide, and has an area of 830 square miles (2,150 km2). The lake receives waters of the Ruindi and Rutshuru rivers (south) and Lake George (through the Kazinga Channel on the northeast). Lake Edward drains northwest into Lake Albert through the Semliki River. The lake is noted for its birds and herds of hippopotamuses. Queen Elizabeth National Park lies along its eastern shore; Virunga National Park along its western shore.