Public lands in Indiana

5 units whose boundary reaches Indiana. They are 3 national wildlife refuges, 1 wilderness area and 1 national forest, largest first within each type.

Acreage in Indiana

National wildlife refuges
71,723 acres
Wilderness areas
12,472 acres
National forests and grasslands
646,949 acres

Each figure is the acreage inside Indiana 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 Indiana. Wilderness often lies inside one of the other kinds, so the figures overlap and should not be added together.

National wildlife refuges

All national wildlife refuges →
Refuge · USFWS
Big Oaks National Wildlife Refuge
50,680 acresNational Wildlife Refuge
Refuge · USFWS
Patoka River National Wildlife Refuge
13,199 acresNational Wildlife Refuge
Refuge · USFWS
Muscatatuck National Wildlife Refuge
7,844 acresNational Wildlife Refuge

Wilderness areas

All wilderness areas →
Wilderness · USFS
Charles C. Deam Wilderness
12,472 acres3 campgrounds near

National forests and grasslands

All national forests and grasslands →
Forest · USFS
Hoosier National Forest
646,949 acres17 campgrounds near

Boundaries come from the agencies’ own layers. A unit is listed in every state or territory its boundary reaches. Data refreshed November 1, 2026.