Roxborough State Park

Roxborough State Park is a state park of Colorado, United States, known for dramatic red sandstone formations. Located in Douglas County 20mi south of Denver, Colorado, the 3339acre park was established in 1975. In 1980 it was recognized as a National Natural Landmark.GeographyRoxborough State Park, a 3339acre Colorado State Park, is known for dramatic red sandstone formations. Located in Douglas County 25mi south of Denver, Colorado. In 1980 it was recognized as a National Natural Landmark because of the number of ecological systems and geological formations. It is also a State Historic Site and National Cultural District because of the number of archaeological sites.GeologyRoxborough State Park is a designated Colorado Natural Area and National Natural Landmark for its 300-million-year-old red sandstone Fountain Formation that tilt at a 60 degree angle. The park includes great examples of exposed Precambrian to Late Mesozoic hogback, monolithic and spire formations from the Permian, Pennsylvanian and Cretaceous age. Carpenter Peak's exposed granite is from Precambrian era.