Public lands in Oklahoma
14 units whose boundary reaches Oklahoma, 6.1 million acres counted whole even where a boundary crosses into another state. 9 national wildlife refuges, 3 wilderness areas, 2 national forests and grasslands. Largest first within each type.
Data refreshed September 17, 2026.
National wildlife refuges
Refuge · USFWS
Wichita Mountains Wildlife Refuge
59,030 acres2 campgrounds near
Refuge · USFWS
Salt Plains National Wildlife Refuge
32,144 acresNational Wildlife Refuge
Refuge · USFWS
Sequoyah National Wildlife Refuge
20,938 acres4 campgrounds near
Refuge · USFWS
Tishomingo National Wildlife Refuge
16,466 acres1 campground near
Refuge · USFWS
Little River National Wildlife Refuge
14,242 acresNational Wildlife Refuge
Refuge · USFWS
Deep Fork National Wildlife Refuge
10,559 acresNational Wildlife Refuge
Refuge · USFWS
Washita National Wildlife Refuge
8,112 acresNational Wildlife Refuge
Refuge · USFWS
Ozark Plateau National Wildlife Refuge
5,006 acres4 campgrounds near
Refuge · USFWS
Optima National Wildlife Refuge
4,331 acresNational Wildlife Refuge