Park	Location	Acres
1. Franklin Mountains State Park	El Paso, TX	24,000
2. South Mountain Preserve	Phoenix, AZ	16,283
3. Carvins Cove Natural Reserve	Roanoke, VA	12,700
4. McDowell Sonoran Preserve	Scottsdale, AZ	11,250
5. Cullen Park	Houston, TX	8,270
6. George Bush Park	Houston, TX	7,800
7. North Mountain Preserve	Phoenix, AZ	7,500
8. Gateway National Recreation Area	New York, NY	7,138
9. Jefferson Memorial Forest	Louisville, KY	5,650
10. WIlliam B. Umstead State Park	Raleigh, NC	5,554