Lake Chad Lake Chad is a freshwater lake located in the Sahelian zone of west-central Africa. It is located in the interior basin which used to be occupied by a much larger ancient sea sometimes called Mega Chad. The lake is historically ranked as one of the largest lakes in Africa. However, its surface area varies by season and as well as from year to year. Lake Chad is mainly in the far west of Chad, bordering on northeastern Nigeria. The Chari River, fed by its tributary the Logone, provides over 90% of the lake's water, with a small amount coming from
Chad–Nigeria relations Chad–Nigeria relations Nigeria considered France its primary rival in its attempt to chart the course of West Africa's political development. Its generally paternalistic relations with Chad intensified after the coup that ousted President François Tombalbaye in 1975. After that, limiting Libyan expansion while avoiding direct clashes with Libyan troops also became important goals. Nigeria sponsored talks among Chad's rival factions in 1979 and promoted a little-known civil servant, Mahmat Shawa Lol, as a compromise head of a coalition government. Lol's perceived status as a Nigerian puppet contributed to mounting opposition during his short term as president in 1979. The two