Public land

Willmore Wilderness Park

Wilderness Park - Lands Operations Division, Alberta Forestry and Parks

Alberta - 1,137,272 acres

Ozark National Forest

National Forest - Forest Service

Arkansas - 1,132,958 acres

Bitterroot National Forest

National Forest - Forest Service

Montana - 1,127,101 acres

Routt National Forest

National Forest - Forest Service

Colorado - 1,125,600 acres

Custer National Forest

National Forest - Forest Service

Montana - 1,115,754 acres

Bristol Bay Fisheries Reserve

State Conservation Area - State Department of Natural Resources

Alaska - 1,114,998 acres

Van Tat K'atr'anahtii (Old Crow Flats)

First Nation Settlement Land - Vuntut Gwitchin First Nation; Environment Yukon

Yukon - 1,110,003 acres

San Isabel National Forest

National Forest - Forest Service

Colorado - 1,108,492 acres

Bighorn National Forest

National Forest - Forest Service

Wyoming - 1,105,121 acres

Nueltin Lake Provincial Park

Provincial Park - Manitoba Environment and Climate Change

Manitoba - 1,105,029 acres

Pike National Forest

National Forest - Forest Service

Colorado - 1,097,242 acres

Proposed Paakumshumwaau-Maatuskaau Biodiversity Reserve

Proposed biodiversity reserve - Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Direction des aires protégées

Quebec - 1,097,156 acres

Lincoln National Forest

National Forest - Forest Service

New Mexico - 1,095,645 acres

Umatilla National Forest

National Forest - Forest Service

Oregon - 1,095,507 acres

Kuururjuaq National Park (Québec)

Quebec's national park - Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Direction des parcs

Quebec - 1,093,880 acres

Cody Field Office

National Public Lands - Bureau of Land Management

Wyoming - 1,090,720 acres

Medicine Bow National Forest

National Forest - Forest Service

Wyoming - 1,084,367 acres

Black Hills National Forest

National Forest - Forest Service

South Dakota - 1,075,125 acres

Vuntut National Park Of Canada

National Park - Parks Canada Agency

Yukon - 1,073,671 acres

Mt. Hood National Forest

National Forest - Forest Service

Oregon - 1,068,453 acres

Lassen National Forest

National Forest - Forest Service

California - 1,068,351 acres

Applegate Field Office

National Public Lands - Bureau of Land Management

Nevada - 1,064,093 acres

Siskiyou National Forest

National Forest - Forest Service

Oregon - 1,058,489 acres

Trinity National Forest

National Forest - Forest Service

California - 1,056,811 acres

Winema National Forest

National Forest - Forest Service

Oregon - 1,049,411 acres

Malta Field Office

National Public Lands - Bureau of Land Management

Montana - 1,029,455 acres

Little Missouri National Grassland

National Grassland - Forest Service

North Dakota - 1,025,179 acres

Johnny Hoe River

Conservation zone in regional land use plan - Indigenous Government; Government of the Northwest Territories; Federal Government (Crown-Indigenous Relations And Northern Affairs Canada)

Northwest Territories - 1,022,521 acres

Glasgow Field Office

National Public Lands - Bureau of Land Management

Montana - 1,013,226 acres

Proposed vallée de la rivière Natashquan Biodiversity Reserve

Proposed biodiversity reserve - Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Direction des aires protégées

Quebec - 1,010,412 acres

Glacier National Park

National Park - National Park Service

Montana - 1,007,843 acres

National Public Lands

National Public Lands - Bureau of Land Management

Utah - 1,004,450 acres

Wallowa National Forest

National Forest - Forest Service

Oregon - 995,141 acres

Ottawa National Forest

National Forest - Forest Service

Michigan - 994,772 acres

Rio Puerco Field Office

National Public Lands - Bureau of Land Management

New Mexico - 992,719 acres

Atikaki Provincial Park

Provincial Park - Manitoba Environment and Climate Change

Manitoba - 987,931 acres

Umpqua National Forest

National Forest - Forest Service

Oregon - 985,957 acres

Helena National Forest

National Forest - Forest Service

Montana - 983,962 acres

Six Rivers National Forest

National Forest - Forest Service

California - 977,951 acres

Proposed rivière Moisie Aquatic Reserve

Proposed aquatic reserve - Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Direction des aires protégées

Quebec - 974,883 acres

Caribou National Forest

National Forest - Forest Service

Idaho - 971,126 acres

Hassayampa Field Office

National Public Lands - Bureau of Land Management

Arizona - 970,922 acres

George Washington National Forest

National Forest - Forest Service

Virginia - 960,993 acres

Prince Albert National Park Of Canada

National Park - Parks Canada Agency

Saskatchewan - 957,433 acres

Colville National Forest

National Forest - Forest Service

Washington - 957,248 acres

Baie-aux-Feuilles National Park Reserve (Québec)

Quebec's national park reserve - Ministère de l'Environnement, de la Lutte contre les changements climatiques, de la Faune et des Parcs, Direction des parcs

Quebec - 955,821 acres

Uncompahgre National Forest

National Forest - Forest Service

Colorado - 952,909 acres

Gates of the Arctic National Preserve

Conservation Area - National Park Service

Alaska - 945,247 acres