Glen Canyon National Recreation Area is a recreation and conservation unit of the National Park Service that encompasses the area around Lake Powell and lower Cataract Canyon in Utah and Arizona, covering 1,254,429 acres  of mostly desert.

The Glen Canyon NRA was established in 1972 “to provide for public use and enjoyment and to preserve the area’s scientific, historic, and scenic features.”

The current Lake Powell lies above Glen Canyon, which was flooded by the Glen Canyon Dam, completed in 1966.

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