Land boundaries:
total: 5,968 km
border countries: Cameroon 1,094 km, Central African Republic 1,197
km, Libya 1,055 km, Niger 1,175 km, Nigeria 87 km, Sudan 1,360 km
Coastline:
0 km (landlocked)
Maritime claims:
none (landlocked)
Climate:
tropical in south, desert in north
Terrain:
broad, arid plains in center, desert in north, mountains in
northwest, lowlands in south
Elevation extremes:
lowest point: Djourab Depression 160 m
highest point: Emi Koussi 3,415 m
Natural resources:
petroleum, uranium, natron, kaolin, fish (Lake Chad), gold,
limestone, sand and gravel, salt
Land use: arable land: 2.86% permanent crops: 0.02% other: 97.12% (2001)
Irrigated land:
200 sq km (1998 est.)
Natural hazards:
hot, dry, dusty harmattan winds occur in north; periodic droughts;
locust plagues