The Ouarsenis or Ouanchariss (Arabic: الونشريس El Ouanchariss, Berber: Ouarsnis, meaning "nothing higher" in the Berber language) is a range of mountains in North-Western Algeria.
The range is located at about 80 km south of the Mediterranean, between the basin of the Chelif River in the north and in the east, the Oued Mina in the west and the Sersou plateau in the south. It reaches its maximum elevation of 1,985 m at the Mount Sidi Amar, near Bordj Bounaama at about 60 km west of Tissemsilt. Other important summits are Achaoun (1850 m), Sidi Abdelkader, Mount Tamedrara and Kef Siga. The inhabitants of the region of the range are Berber people.
Although part of its slopes have been used traditionally to grow cereals, the range still has relatively large natural Atlas cedar forests. The Théniet El Had National Park is a protected area located in the foothills of the Ouarsenis Range.
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