List of National Natural Landmarks in Maine

There are 14 National Natural Landmarks in Maine.

Name	Image	Date	Location	County	Ownership	Description
Appleton Bog Atlantic White Cedar Stand				Knox	private	A large peatland with continuous forest cover and well-developed hummock-and- hollow topography.
Carrying Place Cove Bog				Washington	state	A tombolo that has been eroded by the sea.
Colby-Marston Preserve				Kennebec	private	Northern sphagnum bog located in a deep kettle hole, the sphagnum mat exceeds a depth of.
Crystal Bog				Aroostook	private	An undisturbed, sphagnum bog considered one of the largest and finest in Maine.
Gulf Hagas				Piscataquis	federal	Waterfalls, cliffs, and growth of spruce-fir forest on the gorge walls give the site unusual scenic beauty.
The Hermitage				Piscataquis	federal	One of the few undisturbed, old-growth white pine stands remaining in New England.
Monhegan Island				Lincoln	private	Dense, almost pure stands of red spruce and over 400 species of wildflower.
Mount Bigelow (Maine)				Franklin, Somerset	state	Exceptionally scenic and wild, with some of the best summit views in the eastern United States.
Mount Katahdin				Piscataquis	state	Kames, eskers, drumlins, kettleholes, moraines, and erratics provide a complete illustration of glacial geology.
New Gloucester Black Gum Stand			,	Cumberland	private	A small, remnant, forested swamp dominated mostly by virgin black gum.
No. 5 Bog and Jack Pine Stand				Somerset	state, private	The only large, intermontane peatland and one of the few expansive, virgin landscapes in the northeastern United States.
Orono Bog				Penobscot	municipal, private	A classic northern sphagnum bog.
Passadumkeag Marsh and Bogland				Penobscot	private	One of the largest, unspoiled wetlands in the state of Maine.
Penny Pond-Joe Pond Complex				Kennebec	private	Kettle hole bogs and ponds.