Maryland National Parks
Selected National Park Service units for camping and outdoor trips. State Parks remain separate.
Assateague Island National SeashoreMaryland / Virginia • National SeashoreCatoctin Mountain ParkMaryland • ParkChesapeake & Ohio Canal National Historical ParkMaryland / West Virginia • National Historical ParkGreenbelt ParkMaryland • ParkHarpers Ferry National Historical ParkWest Virginia / Virginia / Maryland • National Historical Park