Public land

Wells Field Office

National Public Lands - Bureau of Land Management

Nevada - 4,243,298 acres

Tłı̨chǫ Wenek’e Cultural Heritage Zone

Indigenous owned conservation area - Tłįchǫ Government

Northwest Territories - 4,116,275 acres

Kenai National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

Alaska - 3,878,196 acres

Nowitna National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

Alaska - 3,801,019 acres

Katmai National Park

National Park - National Park Service

Alaska - 3,624,170 acres

Rock Springs Field Office

National Public Lands - Bureau of Land Management

Wyoming - 3,606,721 acres

Stillwater Field Office

National Public Lands - Bureau of Land Management

Nevada - 3,582,503 acres

Old Growth Management Areas (Mapped Legal)

Old Growth Management Areas (Mapped Legal) - Government of British Columbia

British Columbia - 3,560,536 acres

Rawlins Field Office

National Public Lands - Bureau of Land Management

Wyoming - 3,531,790 acres

Edéhzhíe Protected Area

National Wildlife Area - Canadian Wildlife Service, Northern Region

Northwest Territories - 3,521,019 acres

Thaidene Nene National Park Reserve Of Canada

National Park - Parks Canada Agency

Northwest Territories - 3,476,767 acres

Wildlife Habitat Protection

Wildlife Habitat Protection - Government of Saskatchewan, Ministry of Environment

Saskatchewan - 3,379,649 acres

Needles Field Office

National Public Lands - Bureau of Land Management

California - 3,289,502 acres

Salt Lake Field Office

National Public Lands - Bureau of Land Management

Utah - 3,284,358 acres

Kodiak National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

Alaska - 3,274,583 acres

Death Valley National Park

National Park - National Park Service

California - 3,270,447 acres

Toiyabe National Forest

National Forest - Forest Service

Nevada - 3,247,085 acres

CLO Lands

State Resource Management Area - State Land Board

Oklahoma - 3,238,968 acres

Glacier Bay National Park

National Park - National Park Service

Alaska - 3,225,719 acres

Lakeview District Lakeview Field Office

National Public Lands - Bureau of Land Management

Oregon - 3,203,414 acres

Tuscarora Field Office

National Public Lands - Bureau of Land Management

Nevada - 3,199,984 acres

Desert National Wildlife Range

National Wildlife Refuge - U.S. Fish and Wildlife Service

Nevada - 3,025,626 acres

Nibiischii 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 - 3,008,617 acres

Aulavik National Park Of Canada

National Park - Parks Canada Agency

Northwest Territories - 2,990,712 acres

Wildlife Habitat Areas

Wildlife Habitat Areas - Government of British Columbia

British Columbia - 2,925,053 acres

Tonto National Forest

National Forest - Forest Service

Arizona - 2,866,800 acres

Arizona Strip Field Office

National Public Lands - Bureau of Land Management

Arizona - 2,766,025 acres

Miles City Field Office

National Public Lands - Bureau of Land Management

Montana - 2,757,952 acres

Bylot Island Migratory Bird Sanctuary

Migratory Bird Sanctuary - Canadian Wildlife Service, Northern Region

Nunavut - 2,733,513 acres

Barstow Field Office

National Public Lands - Bureau of Land Management

California - 2,723,973 acres

Peel Watershed LMU 9

To Be Determined - Environment Yukon; First Nation of Na-cho Nyäk Dun; Tetlit Gwich'in Council

Yukon - 2,692,189 acres

Lake Superior National Marine Conservation Area Of Canada

National Marine Conservation Area - Parks Canada Agency

Ontario - 2,688,502 acres

Jasper National Park Of Canada

National Park - Parks Canada Agency

Alberta - 2,688,008 acres

Gila National Forest

National Forest - Forest Service

New Mexico - 2,659,003 acres

Bering Land Bridge National Preserve

Conservation Area - National Park Service

Alaska - 2,650,935 acres

Boise National Forest

National Forest - Forest Service

Idaho - 2,648,335 acres

Akami-Uapishku - Kakkasuak - Mealy Mountains National Park Reserve Of Canada

National Park - Parks Canada Agency

Newfoundland and Labrador - 2,644,024 acres

Wapusk National Park Of Canada

National Park - Parks Canada Agency

Manitoba - 2,636,858 acres

Kanuti National Wildlife Refuge

National Wildlife Refuge - U.S. Fish and Wildlife Service

Alaska - 2,632,516 acres

Ts’udé Nilįné Tuyeta Territorial Protected Area

Indigenous and Territorial Protected Area - Indigenous Government; Government of the Northwest Territories

Northwest Territories - 2,495,761 acres

Lake Clark National Park

National Park - National Park Service

Alaska - 2,487,856 acres

Price Field Office

National Public Lands - Bureau of Land Management

Utah - 2,480,295 acres

Kingman Field Office

National Public Lands - Bureau of Land Management

Arizona - 2,476,668 acres

Challis National Forest

National Forest - Forest Service

Idaho - 2,454,807 acres

TWEEDSMUIR PARK

A - Park - Government of British Columbia

British Columbia - 2,445,633 acres

Shoshone National Forest

National Forest - Forest Service

Wyoming - 2,439,182 acres

Qausuittuq National Park Of Canada

National Park - Parks Canada Agency

Nunavut - 2,429,289 acres

Flathead National Forest

National Forest - Forest Service

Montana - 2,414,171 acres