It rises in the High Atlas and flows through the Ourika Valley, 30 km from Marrakech.

A number of interesting plants have been recorded in this valley beginning in the late 19th century including Fraxinus dimorpha.

[1] This valley is the sole location within the High Atlas Range where the endangered primate Barbary macaque, Macaca sylvanus is known to occur; this primate is found in the Middle Atlas and a few disjunctive populations in Algeria and Gibraltar.

The region is inhabited by Berber people who practice a traditional way of life.

This article related to a river in Morocco is a stub.