National Natural Landmarks

Passadumkeag Marsh and Boglands

Passadumkeag Marsh and Boglands
Passadumkeag Marsh and Boglands

One of the largest, unspoiled wetlands in the state of Maine, Passadumkeag Marsh and Boglands contains a unique blend of bog and marsh communities. The marsh is partially bounded by eskers, including the classic Passadumkeag Esker, or Enfield Horseback, known world-wide as an example of glacial geology.

Location: Penobscot County, ME ; Penobscot County, ME

Year designated: 1973

Acres: 6,100

Ownership: Private




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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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