Sobradinho Lake and Serra da Mesa Reservoir, Brazil12.3S 46.3W
This image of Brazil includes parts of the states of Bahia (right), Tocantins (upper left) and Goiás (lower left). Two large reservoirs can be seen: the bright green Sobradinho Lake (center right), in the state of Bahia, and the reservoir created by the Serra da Mesa Dam (lower left), in the state of Goiás.
Sobradinho Lake, fed by the São Francisco River, covers a surface area of 4,225 km2, making it the largest by surface area in Brazil. It has a mean depth of 8.6 m and a maximum depth of 30 m.
The Serra da Mesa Dam, an embankment dam on the Tocantins River, creates the largest reservoir by volume in Brazil, with a capacity of 54,400,000,000 m3 (1.92×1012 cu ft) and surface area of 1,784 km2 (689 sq mi).