Castle Rock
United States, Illinois
Castle Rock
LocationUnited States, Illinois
RegionIllinois
TypeState Park
Coordinates41.9778°, -89.3566°
Established1978
Area8.09
Nearest CityRockford (24 mi)
Major CityRockford (24 mi)
About Castle Rock
Ogle County, along Rock River. 2,000 acres (8.09 km²), 710 acres designated as Illinois Nature Preserve. Proposed in 1921 by Friends of Our Native Landscape, but officially dedicated as state park in 1978.