Public lands in Michigan
27 units whose boundary reaches Michigan. They are 8 national wildlife refuges, 16 wilderness areas and 3 national forests and grasslands, largest first within each type.
Acreage in Michigan
- National wildlife refuges
- 119,991 acres
- Wilderness areas
- 291,251 acres
- National forests and grasslands
- 4,891,228 acres
Each figure is the acreage inside Michigan for one kind of unit, summed over the units listed below. A unit that crosses into another state counts only the part of its boundary that lies in Michigan. Wilderness often lies inside one of the other kinds, so the figures overlap and should not be added together.
National wildlife refuges
Wilderness areas
National forests and grasslands
Boundaries come from the agencies’ own layers. A unit is listed in every state or territory its boundary reaches. Data refreshed November 1, 2026.