Lake Chad Basin Commission Basin (not all of which feeds Lake Chad) includes eight countries, which, in descending area of land, included are: Chad, Niger, the Central African Republic, Nigeria, Sudan, Algeria, and Libya. Cameroon, Niger, Nigeria and Chad (the four countries directly containing parts of Lake Chad and its wetlands) signed the Fort Lamy (today N'Djamena) Convention on May 22, 1964, which created the Lake Chad Basin Commission. The Central African Republic joined in 1996, and Libya joined in 2008. Sudan was admitted in July 2000, but has observer status because it has not ratified the founding convention. Algeria has not participated. The
Geography of Chad extends west into Nigeria and Niger. The larger, northern portion of the basin is bounded within Chad by the Tibesti Mountains in the northwest, the Ennedi Plateau in the northeast, the Ouaddaï Highlands in the east along the border with Sudan, the Guéra Massif in central Chad, and the Mandara Mountains along Chad's southwestern border with Cameroon. The smaller, southern part of the basin falls almost exclusively in Chad. It is delimited in the north by the Guéra Massif, in the south by highlands 250 kilometers south of the border with Central African Republic, and in the southwest by the