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High Atlas

geography Maturity 7-9 Next article →

The High Atlas is a massive mountain range located in central Morocco, within North Africa. It represents the highest portion of the broader Atlas Mountains. The range begins in the west at the Atlantic Ocean. From there, it stretches eastward until it reaches the border between Morocco and Algeria.

Atlas mountains aerial 1
Atlas mountains aerial 1

This range acts as a vital weather barrier for the region. It separates the hot Sahara Desert to the south from the Mediterranean and continental zones to the north and west.

The mountains are divided into three distinct segments: the Western, Central, and Eastern High Atlas. The Western High Atlas is the oldest part of the range. It contains Jbel Toubkal, which is the highest peak in the entire range. This peak is located within the Toubkal National Park, established in 1942.

Tizi'n'Toubkal
Tizi'n'Toubkal

The Central High Atlas is a solid chalk mass. It features high plateaus, deep gorges, and box canyons. Some peaks here, such as Jbel Mgoun, reach altitudes over 4,000 meters. The Eastern High Atlas consists of vast, high-altitude plateaux. These plateaux serve as the headwaters for the Moulouya River.

Climate in the High Atlas varies significantly by location. The north and south of the Western High Atlas, along with parts of the Central High Atlas, experience a Mediterranean climate. This area is influenced by the North Atlantic Ocean. These regions are relatively humid but can experience irregular or torrential rainfall. Snow typically falls between November and April, though it can persist on peaks from September to June.

Arhbalou High Atlas Al Haouz Morocco Oct25 A7CR 08381
Arhbalou High Atlas Al Haouz Morocco Oct25 A7CR 08381

In contrast, the southern Central High Atlas and the Oriental High Atlas have a continental semi-arid or steppe climate. These areas are much drier and transition into rocky deserts. Forests are rare in these steppe zones, though some localized valleys use irrigation for agriculture.

The formation of these mountains is a result of complex tectonic activity. The range is an intracontinental belt created by the convergence of the African and Eurasian Plates. This process involved the tectonic inversion of a rift basin during the Cenozoic era. The Western High Atlas was originally part of an Atlantic Jurassic passive margin. It is separated from the other sections by the Paleozoic Massif, located south of Marrakesh. The central and eastern basins developed through a multiphase rift system that opened toward the east.

Geological history is recorded in the layers of rock throughout the range. During the Triassic period, the central basin saw the deposition of red beds and basaltic lava flows. In the Jurassic period, marine conditions led to the creation of carbonate platforms. These platforms evolved from shallow water systems into extensive structures.

village atlas
village atlas

The Cretaceous period brought continental and shallow marine transitional deposits. These layers of sediment provide a timeline of how the environment changed over millions of years.

The High Atlas is also a significant site for paleontology. Scientists have discovered fossils of Mesozoic animals within these deposits. One famous discovery was the bones of a dinosaur called Atlasaurus. This creature lived in Morocco approximately 180 million years ago. It was a brachiosaurid-like sauropod and is considered an ancestor of the sauropods found in America.

hoher atlas dadestal
hoher atlas dadestal

Other finds include the fossil of a shark-like fish named Strophodus atlasensis, found in Bajocian deposits. These fossils prove that the African and American continents were connected until about 140 million years ago.

Human life in the mountains is deeply connected to the landscape. The Berber people inhabit the valleys, practicing agriculture and pastoralism. In the semi-arid steppe zones, they use a highly efficient system called Agdal. This technique allows them to manage low precipitation and weak soil to create fertile gardens.

village atlas
village atlas

The mountains also host diverse wildlife, such as the endangered Barbary macaque in the Ourika Valley. Visitors can also find historical structures like the ksar at Aït Benhaddou or the Kasbah of Telouet. Some of these sites, like the fortified village of Aït Benhaddou, are even used in the film industry.

hoher atlas dadestal
hoher atlas dadestal
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🖼️ Images & Media (5)
File:Atlas mountains aerial 1.jpg
Atlas mountains aerial 1.jpg
File:Tizi'n'Toubkal.jpg
Tizi'n'Toubkal.jpg
File:Arhbalou High Atlas Al Haouz Morocco Oct25 A7CR 08381.jpg
Arhbalou High Atlas Al Haouz Morocco...
File:village atlas.jpeg
village atlas.jpeg
File:hoher atlas dadestal.jpg
hoher atlas dadestal.jpg
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