William B. Umstead State Park was created in 1937.
William O'Brien State Park was created in 1947.
William G. Stratton State Park was created in 1959.
Fort William Historical Park was created in 1973.
Mount William National Park was created in 1973.
Prince William Forest Park was created on 1936-11-14.
William A. Switzer Provincial Park was created on 1958-12-22.
State Forest State Park was created in 1970.
Snow Canyon State Park was created in 1958.
Lake Wappapello State Park was created in 1956.
Lake Kegonsa State Park was created in 1962.
South Mountains State Park was created in 1975.
Gooseberry Falls State Park was created in 1937.