Congaree Swamp National Monument Located in Hopkins, SC TRAVEL BASICS - CAMPING - LODGING ACTIVITIES - FACILITIES - FEES/PERMITS A look down Cedar Creek (NPS Photo) IN BRIEF The monument rests on a floodplain of the Congaree River and is not a true swamp. This remnant preserves, in a wilderness state, the largest intact tract of old-growth bottomland hardwood forest in the United States. The ...