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, hydropower
note: bauxite, iron ore, manganese, tin, and copper deposits are known but not exploited