National Natural Landmarks
Great Dismal Swamp
The Great Dismal Swamp site is a remnant of the original Great Dismal Swamp containing geological and ecological elements unique in the nation. The variety of flora and fauna makes it a superb outdoor laboratory for the study of ecological processes.
Location: Suffolk County, VA
Year designated: 1972
Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.