World Factbook
Guinea
République de Guinée
Last updated: 2026-03-28 (today)
Area
land
245,717 sq km
water
140 sq km
total
245,857 sq km
Climate
generally hot and humid; monsoonal-type rainy season (June to November) with southwesterly winds; dry season (December to May) with northeasterly harmattan winds
Terrain
generally flat coastal plain, hilly to mountainous interior
Land use
other
6.5% (2023 est.)
forest
20.3% (2023 est.)
agricultural land
73.2% (2023 est.)
agricultural land: arable land
arable land: 24.4% (2023 est.)
agricultural land: permanent crops
permanent crops: 5.3% (2023 est.)
agricultural land: permanent pasture
permanent pasture: 43.5% (2023 est.)
Location
Western Africa, bordering the North Atlantic Ocean, between Guinea-Bissau and Sierra Leone
Coastline
320 km
Elevation
lowest point
Atlantic Ocean 0 m
highest point
Mont Nimba 1,752 m
mean elevation
472 m
Irrigated land
949 sq km (2017)
Map references
Africa
Land boundaries
total
4,046 km
border countries
Cote d'Ivoire 816 km; Guinea-Bissau 421 km; Liberia 590 km; Mali 1062 km; Senegal 363 km; Sierra Leone 794 km
Maritime claims
territorial sea
12 nm
exclusive economic zone
200 nm
Natural hazards
hot, dry, dusty harmattan haze may reduce visibility during dry season
Geography - note
the Niger and its important tributary, the Milo River, have their sources in the Guinean highlands
Natural resources
bauxite, iron ore, diamonds, gold, uranium, hydropower, fish, salt
Area - comparative
slightly smaller than Oregon; slightly larger than twice the size of Pennsylvania
Geographic coordinates
11 00 N, 10 00 W
Population distribution
areas of highest density are in the west and south; interior is sparsely populated, as shown in this population distribution map
Major watersheds (area sq km)
Atlantic Ocean drainage
Niger (2,261,741 sq km), Senegal (456,397 sq km)
Major rivers (by length in km)
Niger river source (shared with Mali, and Nigeria [m]) - 4,200 km; Gambie (Gambia) river source (shared with Senegal and The Gambia [m]) - 1,094 km note: [s] after country name indicates river source; [m] after country name indicates river mouth