List of National Natural Landmarks in Michigan

They cover areas of geological and biological importance, and include bogs, several forest types, and habitats for several rare species.

[1] Natural Landmarks in Michigan range from 24 to 11,600 acres (9.7 to 4,694.4 ha; 0.038 to 18.125 sq mi) in size.

The National Park Service determines which properties meet NNL criteria and makes nomination recommendations after an owner notification process.

The Secretary of the Interior reviews nominations and, based on a set of predetermined criteria, makes a decision on NNL designation or a determination of eligibility for designation.

[3] This designation provides indirect, partial protection of the historic integrity of the properties via tax incentives, grants, monitoring of threats, and other means.