Western High Atlas
In the west lies the oldest portion of the range. Its high point is the Jbel Toubkal at 4167 m, which is visible from the city of Marrakech. Jbel Toubkal lies in the Toubkal national park, which was created in 1942. The massif consists of Jurassic and Cretaceous formations notched by deep erosion-carved valleys. This part of the range includes the Ourika Valley, which is the only location in the High Atlas where the endangered primate, the Barbary macaque, Macaca sylvanus, is found; however, this primate is also found in parts of the Middle Atlas and the Rif, as well as parts of Algeria.The Ourika Valley is also a location where a diverse flora was recorded as early as the 19th century.