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: