List of longest mountain chains on Earth

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The Andes range consist of hundreds of mountain peaks.

The world's longest above-ground mountain range is the Andes,[1][2] about 7,000 km (4,300 mi) long. The range stretches from north to south through seven countries in South America, along the west coast of the continent: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina. Aconcagua is the highest peak, at about 6,962 m (22,841 ft).

This list does not include submarine mountain ranges. If submarine mountains are included, the longest is the global mid-ocean ridge system which extends for about 65,000 km (40,000 mi).


Mountain chains are typically formed by the process of plate tectonics. Tectonic plates slide very slowly over the Earth's mantle, a lower place of rock that is heated from the Earth's interior. Several huge sections of the earth’s crust are impelled by heat currents in the mantle, producing tremendous forces that can buckle the material at the edges of the plates to form mountains. Usually one plate is forced underneath the other, and the lower plate is slowly absorbed by the mantle. Where the two plates pass one another, heated rock from the mantle can burst through the crust to form volcanoes. The movement of the plates against one another can also cause earthquakes.


Rank Range Continent Country Coordinates Approx. length Approx. width Max. elevation Highest point
1 Andes South America Argentina Argentina
Bolivia Bolivia
Chile Chile
Colombia Colombia
Ecuador Ecuador
Peru Peru
Venezuela Venezuela
32°S 70°W / 32°S 70°W / -32; -70 7,000 km (4,350 mi) 500 km (300 mi) 6,962 m (22,841 ft) Mount Aconcagua
2 Southern Great Escarpment Africa [3][4][5] Zimbabwe Zimbabwe
South Africa South Africa
Swaziland Swaziland
Lesotho Lesotho
Namibia Namibia
Angola Angola
29°S 29°E / 29°S 29°E / -29; 29 5,000 km (3,100 mi) 300 km (200 mi) 3,482 m (11,424 ft) Thabana Ntlenyana
3 Rocky Mountains North America[6][7][8] Canada Canada
United States United States
39°N 106°W / 39°N 106°W / 39; -106 4,800 km (3,000 mi) 300 km (200 mi) 4,401 m (14,440 ft) Mount Elbert
4 Transantarctic Mountains Antarctica[9][10][11] Antarctica Antarctica 84°S 166°E / 84°S 166°E / -84; 166 3,542 km (2,200 mi) 400 km (250 mi) 4,528 m (14,856 ft) Mount Kirkpatrick
5 Great Dividing Range Australia[12][13][14][15] Australia Australia 36°S 148°E / 36°S 148°E / -36; 148 3,059 km (1,900 mi) 650 km (400 mi) 2,228 m (7,310 ft) Mount Kosciuszko
6 Himalayas Asia[16][17][18] Bhutan Bhutan
India India
Nepal Nepal
Pakistan Pakistan
Afghanistan Afghanistan
China China
Myanmar Myanmar
27°N 86°E / 27°N 86°E / 27; 86 2,576 km (1,600 mi) 350 km (220 mi) 8,848 m (29,029 ft) Mount Everest

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