Public lands in Wyoming

30 units whose boundary reaches Wyoming. They are 7 national wildlife refuges, 15 wilderness areas and 8 national forests and grasslands, largest first within each type.

Acreage in Wyoming

National wildlife refuges
82,039 acres
Wilderness areas
3,069,026 acres
National forests and grasslands
10,920,730 acres

Each figure is the acreage inside Wyoming 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 Wyoming. 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 →

Wilderness areas

All wilderness areas →
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National forests and grasslands

All 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.