National Natural Landmarks

Great Dismal Swamp

Great Dismal Swamp
Great Dismal Swamp. Photo by R. Williams.

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

Acres: 43,265

Ownership: Federal




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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.

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