The Chréa National Park is one of the largest 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 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. Founded in 1997, it covers an area of 36,985 hectares.