Geography of Saint Helena

Geographic coordinates: 15 56 S, 5 42 W

Map references: Africa

Area:
total: 410 sq km
land: 410 sq km
water: 0 sq km
note: includes Ascension, Gough Island, Inaccessible Island, Nightingale Island, and Tristan da Cunha Island

Area - comparative: slightly more than two times the size of Washington, DC

Land boundaries: 0 km

Coastline: 60 km

Maritime claims:
exclusive fishing zone: 200 nm
territorial sea: 12 nm

Climate: Saint Helena - tropical; marine; mild, tempered by trade winds; Tristan da Cunha - temperate; marine, mild, tempered by trade winds (tends to be cooler than Saint Helena)

Terrain: Saint Helena - rugged, volcanic; small scattered plateaus and plains
note: the other islands of the group have a volcanic origin

Elevation extremes:
lowest point: Atlantic Ocean 0 m
highest point: Queen Mary's Peak on Tristan da Cunha 2,060 m

Natural resources: fish

Land use:
arable land: 6%
permanent crops: 0%
permanent pastures: 6%
forests and woodland: 6%
other: 82% (1993 est.)

Irrigated land: NA sq km

Natural hazards: active volcanism on Tristan da Cunha

Environment - current issues: NA

Geography - note: harbors at least 40 species of plants unknown anywhere else in the world; Ascension is a breeding ground for sea turtles and sooty terns

See also : Saint Helena