Categories: IUCN Category IIRocky Mountain National ParkRocky MountainsHistory of the Rocky MountainsArchaeological sites in ColoradoBiosphere reserves of the United StatesCivilian Conservation Corps in ColoradoNational parks in ColoradoNational parks of the Rocky MountainsProtected areas established in 1915Protected areas of Boulder County, ColoradoProtected areas of Grand County, ColoradoProtected areas of Larimer County, ColoradoProtected areas on the Colorado River1915 establishments in Colorado