Rocky Flats National Wildlife Refuge, National Wildlife Refuge in Jefferson County, Colorado
Rocky Flats National Wildlife Refuge is a protected nature area in Colorado combining rolling prairie grasslands with woodland patches and wetland zones. The landscape opens toward views of the Rocky Mountains Front Range and provides diverse habitats across its expanse.
The site operated as a nuclear weapons production facility from 1952 through 1994 before undergoing major remediation. Following an extensive cleanup effort, the former industrial land was transformed into a wildlife refuge open to the public.
Native Americans used the land intermittently before the 1800s, and only limited artifacts from that era have been found. Later, the Scott family homesteaded here starting in 1868 and raised cattle; the Lindsay family also raised cattle and built a house and barn in the 1940s.
The refuge's trails opened on September 15, 2018, and are reached from Colorado State Highway 128; the former plant core and its monitoring zone remain closed. The terrain is open grassland with no shade, so carry water and sun protection, and expect sudden weather changes. The refuge lies at about 1,822 metres elevation.
The refuge preserves one of the largest remaining expanses of xeric tallgrass prairie, a landscape type that has largely disappeared elsewhere in the country. This rare ecosystem supports an exceptional variety of specialized plants and animals adapted to dry prairie conditions.
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