|View from space (April 1993)| |Primary inflows||White Volta
River Black Volta River |Primary outflows||Volta River|
|Catchment area||385,180 km2 (148,720 sq mi)| |Surface
area||8,502 km2 (3,283 sq mi)| |Average depth||18.8 m (62 ft)|
|Max. depth||75 m (250 ft)| |Water volume||148 km3 (57,000 sq
mi)| |Shore length1||4,800 km (16,000,000 ft)| |Surface
elevation||85 m (280 ft)| |1 Shore length is not a well-defined
measure.| Lake Volta (located at reservoir by surface area in
the world, and the fourth largest one by water volume. It is
located completely within the country of Ghana, and it has a
surface area of about 8,502 km² (3,275 square miles). Lake Volta
lies along the Greenwich Meridian, and just six degrees of
latitude north of the Equator. The lake's northmost point is
close to the town of Yapei, and its southmost extreme is at the
Akosombo Dam, 520 kilometers downstream from Yapei. Akosombo Dam
holds back both the White Volta River and the Black Volta River,
which formerly converged, where the middle o