It has several peaks over 4,000 m (2.5 mi), including the highest summit in North Africa, Toubkal (4,167 m (13,671 ft)) and further east Ighil m'Goun (4,071 m (13,356 ft)) the second major summit of the range. At the Atlantic and to the southwest, the range drops abruptly and makes a transition to the coast and the Anti-Atlas range. To the north, in the direction of Marrakesh, the range descends less abruptly. On the heights of Ouarzazate the massif is cut through by the Draa Valley which opens southward. It is mainly inhabited by Berber people, who live in small villages and cultivate the high plains of the Ourika Valley.