Find Your Park logo
Read about the Newest National Natural Landmark
NNL 50th Anniversary

For the more information about the air resources of the National Park Service, please visit

Colby-Marston Preserve

Colby-Marston Preserve
Colby-Marston Preserve

The northern sphagnum bog within the Colby-Marston Preserve has distinct and well-defined vegetation zones and is highly valued for teaching and research purposes. Located in a deep kettle hole, the sphagnum mat exceeds a depth of 40 feet.

Location: Kennebec County, ME

Year designated: 1973

Acres: 20

Ownership: Private

← Back to NNL listing for ME.

← Back to listing of all states and territories.

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.

Last Updated: June 28, 2012