Coastline:
998 km

Maritime claims:
territorial sea: 12 nm
exclusive fishing zone: 32-52 nm

Climate:
arid to semiarid; mild, wet winters with hot, dry summers along
coast; drier with cold winters and hot summers on high plateau;
sirocco is a hot, dust/sand-laden wind especially common in summer

Terrain:
mostly high plateau and desert; some mountains; narrow,
discontinuous coastal plain

Elevation extremes:
lowest point: Chott Melrhir -40 m
highest point: Tahat 3,003 m

Natural resources:
petroleum, natural gas, iron ore, phosphates, uranium, lead, zinc

Land use: arable land: 3.17% permanent crops: 0.28% other: 96.55% (2005)

Irrigated land:
5,690 sq km (2003)

Natural hazards:
mountainous areas subject to severe earthquakes; mudslides and
floods in rainy season

Environment - current issues:
soil erosion from overgrazing and other poor farming practices;
desertification; dumping of raw sewage, petroleum refining wastes,
and other industrial effluents is leading to the pollution of rivers
and coastal waters; Mediterranean Sea, in particular, becoming
polluted from oil wastes, soil erosion, and fertilizer runoff;
inadequate supplies of potable water