Public lands in Colorado
65 units whose boundary reaches Colorado, 27 million acres counted whole even where a boundary crosses into another state. 8 national wildlife refuges, 44 wilderness areas, 8 national forests and grasslands, 5 BLM national monuments and conservation areas. Largest first within each type.
National wildlife refuges
Wilderness areas
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National forests and grasslands
BLM national monuments and conservation areas
Boundaries come from the agencies’ own layers. A unit is listed in every state its boundary reaches. Data refreshed September 18, 2026.