National Natural Landmarks by county

Penobscot County, ME

Passadumkeag Marsh and Boglands
Passadumkeag Marsh and Boglands, a National Natural Landmark in Penobscot County, ME.

National Natural Landmarks in this county include:

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Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.

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