The Chréa National Park is one of the smallest national parks of Algeria. It is located in Blida Province, named after Chréa, a town near this park. The park, located in a mountainous area known as the Blidean Atlas (which is part of the Tell Atlas) includes the ski station of Chréa, one of the few ski stations in Africa where skiing can be done on natural snow, and the grotto of Chiffa.
Tne Chréa National Park is home to a varied flora and fauna. Its ancient Atlas Cedar forests is habitat for a population of the endangered Barbary Macaque. This National Park has one of the few such habitat areas in Algeria that support a sub-population of the Barbary Macaque, Macaca sylvanus.