Public lands in Montana
44 units whose boundary reaches Montana, 29 million acres counted whole even where a boundary crosses into another state. 19 national wildlife refuges, 15 wilderness areas, 8 national forests and grasslands, 2 BLM national monuments and conservation areas. Largest first within each type.
Data refreshed September 17, 2026.
National wildlife refuges
Refuge · USFWS
Charles M. Russell National Wildlife Refuge
937,047 acres11 campgrounds near
Refuge · USFWS
Red Rock Lakes National Wildlife Refuge
85,504 acres9 campgrounds near
Refuge · USFWS
Ul Bend National Wildlife Refuge
55,779 acresNational Wildlife Refuge
Refuge · USFWS
Medicine Lake National Wildlife Refuge
31,484 acresNational Wildlife Refuge
Refuge · USFWS
Lake Mason National Wildlife Refuge
16,780 acresNational Wildlife Refuge
Refuge · USFWS
Bowdoin National Wildlife Refuge
15,529 acresNational Wildlife Refuge
Refuge · USFWS
Benton Lake National Wildlife Refuge
12,387 acresNational Wildlife Refuge
Refuge · USFWS
Lost Trail National Wildlife Refuge
8,907 acres2 campgrounds near
Refuge · USFWS
Grass Lake National Wildlife Refuge
4,050 acresNational Wildlife Refuge
Refuge · USFWS
War Horse National Wildlife Refuge
2,853 acresNational Wildlife Refuge
Refuge · USFWS
Lee Metcalf National Wildlife Refuge
2,827 acres1 campground near
Refuge · USFWS
Pablo National Wildlife Refuge
2,482 acresNational Wildlife Refuge
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Refuge · USFWS
Ninepipe National Wildlife Refuge
2,092 acresNational Wildlife Refuge
Refuge · USFWS
Swan River National Wildlife Refuge
1,937 acres3 campgrounds near
Refuge · USFWS
Black Coulee National Wildlife Refuge
1,314 acresNational Wildlife Refuge
Refuge · USFWS
Hewitt Lake National Wildlife Refuge
720 acresNational Wildlife Refuge
Refuge · USFWS
Hailstone National Wildlife Refuge
156 acresNational Wildlife Refuge
Refuge · USFWS
Creedman Coulee National Wildlife Refuge
84 acresNational Wildlife Refuge
Refuge · USFWS
Lake Thibadeau National Wildlife Refuge
23 acresNational Wildlife Refuge
Wilderness areas
Wilderness · USFS
Selway-Bitterroot Wilderness
1.3 million acres36 campgrounds near
Wilderness · USFS
Bob Marshall Wilderness
1.1 million acres28 campgrounds near
Wilderness · USFS
Absaroka-Beartooth Wilderness
937,102 acres36 campgrounds near
Wilderness · USFS
Great Bear Wilderness
286,659 acres23 campgrounds near
Wilderness · USFS
Scapegoat Wilderness
259,756 acres13 campgrounds near
Wilderness · BLM, USFS
Lee Metcalf Wilderness
242,068 acres31 campgrounds near
Wilderness · USFS
Anaconda Pintler Wilderness
158,712 acres18 campgrounds near
Wilderness · USFS
Cabinet Mountains Wilderness
93,272 acres6 campgrounds near
Wilderness · USFS
Mission Mountains Wilderness
74,524 acres7 campgrounds near
Wilderness · USFS
Rattlesnake Wilderness
34,304 acres1 campground near
Wilderness · USFWS
Red Rock Lakes Wilderness
32,350 acres5 campgrounds near
Wilderness · USFS
Gates of the Mountains Wilderness
28,460 acres10 campgrounds near
National forests and grasslands
Forest · USFS
Beaverhead-Deerlodge National Forest
3.6 million acres134 campgrounds near
Forest · USFS
Custer Gallatin National Forest
3.4 million acres107 campgrounds near
Forest · USFS
Helena-Lewis and Clark National Forest
3.2 million acres78 campgrounds near
Forest · USFS
Idaho Panhandle National Forests
2.9 million acres90 campgrounds near
Forest · USFS
Flathead National Forest
2.7 million acres65 campgrounds near
Forest · USFS
Lolo National Forest
2.6 million acres64 campgrounds near
Forest · USFS
Kootenai National Forest
2.6 million acres56 campgrounds near
Forest · USFS
Bitterroot National Forest
1.7 million acres54 campgrounds near