List of largest National Wildlife Refuges

Here is a list of the largest National Wildlife Refuges in the United States. It includes all that are larger than 50,000 acres (200 km2), but excludes those in U.S. territories (also officially in the system). Acreage/Area includes water as well as land areas. Statistics are as of 30 September 2007.[1] The eleven largest National Wildlife Refuges are all in the state of Alaska.

Name State(s) Acreage Area: km²
Arctic National Wildlife Refuge Alaska 19,286,482.30 78,049.62
Yukon Delta National Wildlife Refuge Alaska 19,162,416.50 77,547.55
Yukon Flats National Wildlife Refuge Alaska 8,634,511.57 34,942.63
Togiak National Wildlife Refuge Alaska 4,102,537.38 16,602.38
Innoko National Wildlife Refuge Alaska 3,850,481.05 15,582.34
Alaska Peninsula National Wildlife Refuge Alaska 3,563,489.83 14,420.93
Koyukuk National Wildlife Refuge Alaska 3,550,160.50 14,366.99
Alaska Maritime National Wildlife Refuge Alaska 3,417,756.91 13,831.17
Selawik National Wildlife Refuge Alaska 2,150,161.99 8,701.40
Kodiak National Wildlife Refuge Alaska 1,990,418.11 8,054.94
Kenai National Wildlife Refuge Alaska 1,912,425.40 7,739.31
Desert National Wildlife Refuge Nevada 1,615,313.49 6,536.94
Nowitna National Wildlife Refuge Alaska 1,560,000.00 6,313.10
Kanuti National Wildlife Refuge Alaska 1,430,160.17 5,787.65
Becharof National Wildlife Refuge Alaska 1,200,059.57 4,856.47
Charles M. Russell National Wildlife Refuge Montana 915,294.22 3,704.06
Cabeza Prieta National Wildlife Refuge Arizona 860,041.32 3,480.46
Tetlin National Wildlife Refuge Alaska 700,058.54 2,833.04
Kofa National Wildlife Refuge Arizona 666,561.26 2,697.48
Sheldon National Wildlife Refuge Nevada / Oregon 573,503.63 2,320.89
Okefenokee National Wildlife Refuge Georgia / Florida 401,908.38 1,626.47
Izembek National Wildlife Refuge Alaska 311,075.78 1,258.88
Hart Mountain National Antelope Refuge Oregon 270,003.58 1,092.67
Hawaiian Islands National Wildlife Refuge Hawaii 254,418.10 1,029.59
Sevilleta National Wildlife Refuge New Mexico 229,673.57 929.46
Key West National Wildlife Refuge Florida 208,308.17 842.99
Upper Mississippi River National Wildlife and Fish Refuge Wisconsin / Iowa / Minnesota / Illinois 208,143.53 842.33
Hanford Reach National Monument Washington 195,719.00[2] 702.05
Malheur National Wildlife Refuge Oregon 187,126.94 757.28
White River National Wildlife Refuge Arkansas 158,976.07 643.35
Alligator River National Wildlife Refuge North Carolina 153,017.15 619.24
Arthur R. Marshall Loxahatchee National Wildlife Refuge Florida 143,953.77 582.56
Merritt Island National Wildlife Refuge Florida 139,189.40 563.28
Sabine National Wildlife Refuge Louisiana 125,790.08 509.05
Great White Heron National Wildlife Refuge Florida 117,720.63 476.40
Buenos Aires National Wildlife Refuge Arizona 117,107.16 473.92
Aransas National Wildlife Refuge Texas 114,657.05 464.00
Great Dismal Swamp National Wildlife Refuge Virginia / North Carolina 111,202.81 450.02
Pocosin Lakes National Wildlife Refuge North Carolina 110,106.64 445.59
Seney National Wildlife Refuge Michigan 95,244.81 385.44
Lower Rio Grande Valley National Wildlife Refuge Texas 90,441.09 366.00
Grasslands Wildlife Management Area California 89,012.27 360.22
Laguna Atascosa National Wildlife Refuge Texas 88,388.69 357.70
Stillwater National Wildlife Refuge Nevada 87,271.26 353.17
National Key Deer Refuge Florida 84,824.28 343.27
Baca National Wildlife Refuge Colorado 78,696.65 318.47
Bear River Migratory Bird Refuge Utah 73,996.41 299.45
Tensas River National Wildlife Refuge Louisiana 73,169.36 296.11
Valentine National Wildlife Refuge Nebraska 73,098.09 295.82
Saint Marks National Wildlife Refuge Florida 69,196.75 280.03
Cape Romain National Wildlife Refuge South Carolina 66,287.18 268.25
Cache River National Wildlife Refuge Arkansas 66,164.82 267.76
Red Rock Lakes National Wildlife Refuge Montana 65,810.25 266.32
Felsenthal National Wildlife Refuge Arkansas 64,902.14 262.65
Agassiz National Wildlife Refuge Minnesota 61,500.93 248.89
J. Clark Salyer National Wildlife Refuge North Dakota 59,376.40 240.29
Wichita Mountains Wildlife Refuge Oklahoma 59,019.60 238.84
McFaddin National Wildlife Refuge Texas 58,861.43 238.20
San Andres National Wildlife Refuge New Mexico 57,215.48 231.54
Bosque del Apache National Wildlife Refuge New Mexico 57,191.10 231.44
UL Bend National Wildlife Refuge Montana 56,049.56 226.82
Tennessee National Wildlife Refuge Tennessee 51,359.46 207.84
Lower Suwannee National Wildlife Refuge Florida 51,030.32 206.51
Big Oaks National Wildlife Refuge Indiana 51,000.00 206.39
Lower Klamath National Wildlife Refuge California / Oregon 50,912.68 206.04
Mattamuskeet National Wildlife Refuge North Carolina 50,173.93 203.05
  1. ^ USFWS Annual Lands Report, 30 September 2007
  2. ^ Mid-Columbia River National Wildlife Refuges