Dismal Swamp State Park was created in 1974.
Saiwa Swamp National Park was created in 1974.
Basket Swamp National Park was created in 1999.
Hasties Swamp National Park was created in 1980.
Eubenangee Swamp National Park was created in 1968.
If your question is how big is the Great Dismal Swamp, today the swamp covers approximately 112,000 acres, but when the first colonial explorers came to the swamp it covered almost one million acres of Southeastern Virginia and Northeastern North Carolina. Most of what remains of the swamp has become the Great Dismal Swamp National Wildlife Refuge with no peoples living within the refuge boundary.
The Great Dismal swamp is about 5,000 acres. I must give more information than the above....The Great Dismal Swamp National Wildlife Refuge, located in Eastern Virginia and continuing into Eastern North Carolina is approximately 112,000 acres. This is a Federally maintained property. The Dismal Swamp State Park, which looks like a 'chunk' taken out of the Great Dismal Swamp, is located in North Carolina and is approximately 5,000 acres. Together, the Great Dismal Swamp is about 117,000 total acres. It used to be almost 1,000,000 acres when Europeans first started settling the area.
State Forest State Park was created in 1970.
Snow Canyon State Park was created in 1958.
Lake Wappapello State Park was created in 1956.
Maybury State Park was created in 1975.
Pershing State Park was created in 1937.
Wallace State Park was created in 1932.