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Tell Atlas

Tell Atlas
الاطلس التلي'
Haizeryel.JPG
View of the southern slopes of the Haizer Range in the Djurdjura Mountains
Highest point
Peak Lalla Khedidja
Elevation 2,308 m (7,572 ft)
Coordinates 36°0′0″N 2°0′0″E / 36.00000°N 2.00000°E / 36.00000; 2.00000Coordinates: 36°0′0″N 2°0′0″E / 36.00000°N 2.00000°E / 36.00000; 2.00000
Dimensions
Length 1,500 km (930 mi) E/W
Width 115 km (71 mi) N/S
Geography
Tell Atlas is located in Algeria
Tell Atlas
Tell Atlas
Country Morocco, Algeria and Tunisia
Parent range Atlas Mountains
Geology
Orogeny Alpine orogeny
Age of rock Miocene
Type of rock Crystalline metamorphic
Climbing
First ascent unknown
Easiest route drive

The Tell Atlas (Arabic: الاطلس التلي‎‎) is a mountain chain over 1,500 km (932 mi) in length, belonging to the Atlas mountain ranges in North Africa, stretching from Morocco, through Algeria to Tunisia.

The ranges of this system have average elevations of about 1,500 m (4,900 ft) and form a natural barrier between the Mediterranean and the Sahara. Its highest summit is the 2,308 m (7,572 ft) high Lalla Khedidja in the Jurjura Range.

Several large cities such as the Algerian capital, Algiers, with ~1,500,000 residents (2005) and Oran with ~770,000 residents (2005) lie at the base of the Tell Atlas. The Algerian city Constantine with approximately 505,000 residents (2005) lies 80 km inland and directly in the mountains at 650 meters in elevation. A number of smaller towns and villages are situated within the Tell; for example, Chiffa is nestled within the Chiffa gorge.

The Tell Atlas runs parallel to the Mediterranean coast. Together with the Saharan Atlas to the south it forms the northernmost of two more or less parallel ranges which approach one another towards the east, remaining quite distinct from one another in Western Algeria and merging in Eastern Algeria. At the western end, it ends at the Rif and Middle Atlas ranges in Morocco. The Tell Atlas are also a distinct physiographic section of the larger Atlas Mountains province, which in turn is part of the larger African Alpine System physiographic division.

The Tell Atlas and the Saharan Atlas form two natural barriers, the first against the Mediterranean and the second against the Sahara. Between them lies the valley of the Chelif and various lesser rivers.


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