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The Hoggar Mountains (Arabic: جبال هقار (Ǧibāl Haqqār), Berber: idurar n Ahaggar) are a highland region in the central Sahara in southern Algeria, along the Tropic of Cancer. The mountains cover an area of approximately 550,000 km2.[1]
| Hoggar Mountains | |
|---|---|
 Landscape of the Assekrem region in the Hoggar in Tamanrasset Province | |
| Highest point | |
| Peak | Mount Tahat |
| Elevation | 2,908 m (9,541 ft) |
| Coordinates | 23°17′20″N 05°32′01″E |
| Naming | |
| Native name |
|
| Geography | |
  Hoggar Mountains Location in southern Algeria | |
| Country | Algeria |
| Hoggar National Park | |
|---|---|
 Locator map | |
 | |
| Location | Tamanrasset Province, Algeria |
| Nearest city | Tamanrasset |
| Coordinates | 22°08′N 6°10′E |
| Area | 450,000 km2 (170,000 sq mi) |
| Established | 1987 |
 | |
The Hoggar Mountains are home to the Ahaggar National Park, one of the national parks of the country.[2] The tallest peak in the range and Algeria, Mount Tahat, is located in the park area, which covers approximately 450,000 square kilometres (170,000 sq mi).[2]
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This mountainous region is located about 1,500 km (930 mi) south of the capital, Algiers. The area is largely rocky desert with an average elevation of more than 900 m (3,000 ft) above sea level. The highest peak, Mount Tahat, is at 2,908 m (9,541 ft).[1] The mountains are primarily composed of metamorphic rock approximately 2 billion years old, although there are areas where more recent volcanic activity has laid down much newer rock.[1] Several of the more dramatic peaks, such as Ilamen, are the result of erosion wearing away extinct volcano domes, leaving behind the more resistant material that plugged the volcanic cones.[1]
Assekrem is a famous and often visited point where Charles de Foucauld built a hermitage in 1911.[3]
The highlands are believed to be one of the main sources of the Tamanrasset River, an ancient river that flowed during the African humid period, and named after the main city near the Hoggar Mountains, Tamanrasset, built in a desert valley or wadi that was part of the ancient watercourse.
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The Hoggar Mountains range typically experiences hot summers, with a cold winter climate. Temperatures fall below freezing in the winter. Rainfall is rare and sporadic year-round. However, since the climate is less extreme than in most other areas of the Sahara, the mountains are a major location for biodiversity, including a number of relict species. The Hoggar Mountains are part of the West Saharan montane xeric woodlands ecoregion.
Flora and fauna
Vegetation in this area includes trees such as Vachellia tortilis, Vachellia seyal, myrtle and Tamarix aphylla which are scattered throughout the area. Other plants may include Citrullus colocynthis and Calotropis procera.
Slightly to the west of the Hoggar range, a population of the endangered African wild dog (Lycaon pictus) remained viable into the 20th century, but is now thought to be extirpated within this entire region.[4] Relict populations of the West African crocodile persisted in the Hoggar Mountains until the early 20th century.[5]
Analysis of collected scat in 2006 showed the presence of the Northwest African cheetah in the region.[6][7] Between August 2008 and November 2010, four individuals were recorded by camera traps.[8] A single cheetah was filmed and photographed by Algerian naturalists in 2020 in the national park in the Atakor volcanic field whose peaks approach a height of 3,000 metres (9,800 ft).[9] The park also contains a population of herbivores such as the saharan subspecies of the barbary sheep and the Dorcas gazelle.[2]
The park has been designated an Important Bird Area (IBA) by BirdLife International because it supports significant populations of spotted, crowned and Lichtenstein's Sandgrouse, Pharaoh eagle-owls, pallid harriers, greater hoopoe-larks, bar-tailed and desert larks, pale rock martins, fulvous babblers, white-crowned and mourning wheatears, desert sparrows and trumpeter finches.[10]
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Prehistoric settlement is evident from extant rock paintings dating to 6000 BC.[11] The Hoggar Massif is the land of the Kel Ahaggar Tuareg.[1] The tomb of Tin Hinan, the woman believed to be the matriarch of the Tuareg, is located at Abalessa, an oasis near Tamanrasset.
The hermitage of Charles de Foucauld, which continues to be inhabited by a few Catholic monks, is at the top of the Assekrem plateau in the Hoggar Mountains.[12]
Underground atomic tests were conducted by France in the mountains in the 1960s.
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