Land boundaries:
total: 7,243 km
border countries: Algeria 1,376 km, Burkina Faso 1,000 km, Guinea
858 km, Cote d'Ivoire 532 km, Mauritania 2,237 km, Niger 821 km,
Senegal 419 km
Coastline:
0 km (landlocked)
Maritime claims:
none (landlocked)
Climate:
subtropical to arid; hot and dry (February to June); rainy, humid,
and mild (June to November); cool and dry (November to February)
Terrain:
mostly flat to rolling northern plains covered by sand; savanna in
south, rugged hills in northeast
Elevation extremes:
lowest point: Senegal River 23 m
highest point: Hombori Tondo 1,155 m
Natural resources:
gold, phosphates, kaolin, salt, limestone, uranium, gypsum,
granite, hydropower
note: bauxite, iron ore, manganese, tin, and copper deposits are
known but not exploited
Land use: arable land: 3.76% permanent crops: 0.03% other: 96.21% (2005)
Irrigated land:
2,360 sq km (2003)
Natural hazards:
hot, dust-laden harmattan haze common during dry seasons; recurring
droughts; occasional Niger River flooding