Land boundaries: total: 2,046 km border countries: Algeria 42 km, Mauritania 1,561 km, Morocco 443 km
Coastline: 1,110 km
Maritime claims: contingent upon resolution of sovereignty issue
Climate: hot, dry desert; rain is rare; cold offshore air
currents produce fog and heavy dew
Terrain: mostly low, flat desert with large areas of rocky or
sandy surfaces rising to small mountains in south and northeast
Elevation extremes: lowest point: Sebjet Tah -55 m highest point: unnamed location 463 m
Natural resources: phosphates, iron ore
Land use:
arable land: 0%
permanent crops: 0%
permanent pastures: 19%
forests and woodland: 0%
other: 81%
Irrigated land: NA sq km
Natural hazards: hot, dry, dust/sand-laden sirocco wind can occur during winter and spring; widespread harmattan haze exists 60% of time, often severely restricting visibility