The Rocky Flats National Wildlife Refuge is a unit of the National Wildlife Refuge System in the United States located approximately 16mi northwest of Denver, Colorado. The site was previously the Rocky Flats Plant's security buffer zone and is not currently open to the general public for access.VisionRocky Flats National Wildlife Refuge is an expanse of grasslands, shrublands and wetlands, including rare xeric tallgrass prairie, where natural processes support a broad range of native wildlife. Working with others, the refuge conserves the unique biotic communities and sustains wildlife populations at the interface of mountains and prairies on Colorado's Front Range.FaunaThis refuge is home to animals such as black bear, coyote, two species of owl, elk, mule deer, northern flicker, white pelican, black-tailed prairie dog, and porcupine.HistoryThe Rocky Flats site is 6240acre located along the Front Range of Colorado at the intersection of Jefferson, Boulder, and Broomfield counties. The site lies on the former nuclear weapons production facility operated by the U.S. Department of Energy (DOE), the Rocky Flats Plant.