Friends of Congaree Swamp - Non-profit group which aims to protect and restore the ecological systems of the park; includes events, directions, photos, and accounts of personal experiences. - http://www.friendsofcongaree.org/
National Parks Gallery: Congaree NP - Includes contact data, pictures, maps, news, and documents. - http://www.nationalparksgallery.com/parks/Congaree-National-Park
Congaree Swamp National Monument - Preserves the largest expanse of old-growth flood plain forest in America. To walk here is to walk among giants: trees of record sizes and some of the tallest trees east of the Mississippi. - http://www.nps.gov/cosw/