U.S. Fish and Wildlife Service

National wildlife refuges

549 national wildlife refuges, 150 million acres together, from the Fish and Wildlife Service boundary layer. Refuges are managed for wildlife first. Most are open by day for wildlife watching, hunting and fishing under refuge rules, and few allow camping. Acreage here is measured from the published boundary and can differ from the refuge’s official figure.

Data refreshed September 17, 2026.

The five largest

By state

51 states

Alabama11

Bon Secour National Wildlife Refuge7,329 acres
Cahaba River National Wildlife Refuge4,785 acres
Choctaw National Wildlife Refuge3,953 acres
Eufaula National Wildlife Refuge10,998 acres · also GA
Fern Cave National Wildlife Refuge204 acres
Grand Bay National Wildlife Refuge10,315 acres · also MS
Key Cave National Wildlife Refuge1,059 acres
Mountain Longleaf National Wildlife Refuge9,010 acres
Sauta Cave National Wildlife Refuge263 acres
Watercress Darter National Wildlife Refuge24 acres
Wheeler National Wildlife Refuge33,827 acres

Alaska20

Alaska Maritime National Wildlife Refuge4.6 million acres
Alaska Peninsula National Wildlife Refuge3.5 million acres
Arctic National Wildlife Refuge20 million acres
Becharof National Wildlife Refuge1.2 million acres
Guam National Wildlife Refuge23,758 acres
Innoko National Wildlife Refuge4.0 million acres
Izembek National Wildlife Refuge315,412 acres
Kanuti National Wildlife Refuge1.3 million acres
Kenai National Wildlife Refuge1.9 million acres
Kodiak National Wildlife Refuge1.6 million acres
Koyukuk National Wildlife Refuge4.0 million acres
Mariana Arc of Fire National Wildlife Refuge45,560 acres
Mariana Trench National Wildlife Refuge51 million acres
Nowitna National Wildlife Refuge1.9 million acres
Selawik National Wildlife Refuge2.7 million acres
Tetlin National Wildlife Refuge726,650 acres
Togiak National Wildlife Refuge4.3 million acres
Wake Atoll National Wildlife Refuge497,055 acres
Yukon Delta National Wildlife Refuge20 million acres
Yukon Flats National Wildlife Refuge9.0 million acres

Arizona10

Bill Williams River National Wildlife Refuge5,985 acres
Buenos Aires National Wildlife Refuge117,677 acres
Cabeza Prieta National Wildlife Refuge856,684 acres
Cibola National Wildlife Refuge18,447 acres · also CA
Havasu National Wildlife Refuge38,953 acres · also CA
Imperial National Wildlife Refuge31,453 acres · also CA
Kofa Administrative Site0.7 acres
Kofa National Wildlife Refuge664,626 acres
Leslie Canyon National Wildlife Refuge24,801 acres
San Bernardino National Wildlife Refuge2,365 acres

Arkansas11

Bald Knob National Wildlife Refuge15,439 acres
Big Lake National Wildlife Refuge10,998 acres
Cache River National Wildlife Refuge74,723 acres
Chickasaw National Wildlife Refuge26,837 acres · also TN
Dale Bumpers White River National Wildlife Refuge157,588 acres
Felsenthal National Wildlife Refuge77,630 acres
Holla Bend National Wildlife Refuge6,012 acres
Logan Cave National Wildlife Refuge125 acres
Overflow National Wildlife Refuge13,578 acres
Pond Creek National Wildlife Refuge28,854 acres
Wapanocca National Wildlife Refuge5,647 acres

California37

Antioch Dunes National Wildlife Refuge60 acres
Bitter Creek National Wildlife Refuge14,872 acres
Blue Ridge National Wildlife Refuge906 acres
Castle Rock National Wildlife Refuge12 acres
Cibola National Wildlife Refuge18,447 acres · also AZ
Clear Lake National Wildlife Refuge24,228 acres
Coachella Valley National Wildlife Refuge3,602 acres
Colusa National Wildlife Refuge4,111 acres
Delevan National Wildlife Refuge5,844 acres
Don Edwards San Francisco Bay National Wildlife Refuge28,453 acres
Ellicott Slough National Wildlife Refuge193 acres
Farallon Islands National Wildlife Refuge102 acres
Guadalupe-Nipomo Dunes National Wildlife Refuge2,492 acres
Havasu National Wildlife Refuge38,953 acres · also AZ
Hopper Mountain National Wildlife Refuge2,335 acres
Humboldt Bay National Wildlife Refuge3,922 acres
Imperial National Wildlife Refuge31,453 acres · also AZ
Kern National Wildlife Refuge11,229 acres
Lower Klamath National Wildlife Refuge52,548 acres · also OR
Marin Islands National Wildlife Refuge469 acres
Merced National Wildlife Refuge3,822 acres
Modoc National Wildlife Refuge7,169 acres
Pixley National Wildlife Refuge7,485 acres
Sacramento National Wildlife Refuge10,931 acres
Sacramento River National Wildlife Refuge11,439 acres
Salinas River National Wildlife Refuge387 acres
San Diego Bay National Wildlife Refuge2,610 acres
San Diego National Wildlife Refuge12,474 acres
San Joaquin River National Wildlife Refuge11,745 acres
San Luis National Wildlife Refuge17,814 acres
San Pablo Bay National Wildlife Refuge20,467 acres
Seal Beach National Wildlife Refuge983 acres
Sonny Bono Salton Sea National Wildlife Refuge37,265 acres
Stone Lakes National Wildlife Refuge6,472 acres
Sutter National Wildlife Refuge2,605 acres
Tijuana Slough National Wildlife Refuge1,093 acres
Tule Lake National Wildlife Refuge37,739 acres

Colorado8

Alamosa National Wildlife Refuge12,065 acres
Arapaho National Wildlife Refuge25,563 acres
Baca National Wildlife Refuge85,815 acres
Browns Park National Wildlife Refuge12,104 acres
Monte Vista National Wildlife Refuge16,250 acres
Rocky Flats National Wildlife Refuge5,251 acres
Rocky Mountain Arsenal National Wildlife Refuge15,971 acres
Two Ponds National Wildlife Refuge69 acres

Connecticut3

Great Thicket National Wildlife Refuge796 acres · also ME and NY
Silvio O. Conte National Fish and Wildlife Refuge53,795 acres · also VT, NH and MA
Stewart B. McKinney National Wildlife Refuge1,044 acres

Delaware3

Bombay Hook National Wildlife Refuge15,472 acres
Prime Hook National Wildlife Refuge10,161 acres
Supawna Meadows National Wildlife Refuge3,680 acres · also NJ

Florida29

Archie Carr National Wildlife Refuge228 acres
Arthur R. Marshall Loxahatchee National Wildlife Refuge145,264 acres
Caloosahatchee National Wildlife Refuge12 acres
Cedar Keys National Wildlife Refuge905 acres
Chassahowitzka National Wildlife Refuge28,133 acres
Crocodile Lake National Wildlife Refuge6,767 acres
Crystal River National Wildlife Refuge129 acres
Egmont Key National Wildlife Refuge231 acres
Everglades Headwaters National Wildlife Refuge and Conservation Area13,230 acres
Florida Panther National Wildlife Refuge26,423 acres
Great White Heron National Wildlife Refuge135,673 acres
Island Bay National Wildlife Refuge28 acres
J. N. "Ding" Darling National Wildlife Refuge6,614 acres
Key West National Wildlife Refuge210,597 acres
Lake Wales Ridge National Wildlife Refuge1,825 acres
Lake Woodruff National Wildlife Refuge21,168 acres
Lower Suwannee National Wildlife Refuge51,858 acres
Matlacha Pass National Wildlife Refuge490 acres
Merritt Island National Wildlife Refuge129,991 acres
Nathaniel P. Reed Hobe Sound National Wildlife Refuge1,047 acres
National Key Deer Refuge81,619 acres
Passage Key National Wildlife Refuge61 acres
Pelican Island National Wildlife Refuge5,423 acres
Pine Island National Wildlife Refuge584 acres
Pinellas National Wildlife Refuge380 acres
St. Johns National Wildlife Refuge6,392 acres
St. Marks National Wildlife Refuge91,589 acres
St. Vincent National Wildlife Refuge12,211 acres
Ten Thousand Islands National Wildlife Refuge33,989 acres

Georgia11

Banks Lake National Wildlife Refuge2,970 acres
Blackbeard Island National Wildlife Refuge5,598 acres
Bond Swamp National Wildlife Refuge8,745 acres
Eufaula National Wildlife Refuge10,998 acres · also AL
Harris Neck National Wildlife Refuge2,841 acres
Okefenokee National Wildlife Refuge407,615 acres
Piedmont National Wildlife Refuge39,530 acres
Savannah National Wildlife Refuge31,613 acres · also SC
Tybee National Wildlife Refuge664 acres · also SC
Wassaw National Wildlife Refuge10,206 acres
Wolf Island National Wildlife Refuge4,627 acres

Hawaii18

Baker Island National Wildlife Refuge413,057 acres
Hakalau Forest National Wildlife Refuge48,786 acres
Hanalei National Wildlife Refuge916 acres
Hawaiian Islands National Wildlife Refuge256,096 acres
Howland Island National Wildlife Refuge422,019 acres
Huleia National Wildlife Refuge248 acres
James Campbell National Wildlife Refuge1,073 acres
Jarvis Island National Wildlife Refuge434,242 acres
Johnston Atoll National Wildlife Refuge566,465 acres
Kakahaia National Wildlife Refuge44 acres
Kealia Pond National Wildlife Refuge713 acres
Kilauea Point National Wildlife Refuge180 acres
Kingman Reef National Wildlife Refuge485,630 acres
Midway Atoll National Wildlife Refuge580,337 acres
Oahu Forest National Wildlife Refuge4,555 acres
Palmyra Atoll National Wildlife Refuge531,067 acres
Pearl Harbor National Wildlife Refuge114 acres
Rose Atoll National Wildlife Refuge1,658 acres

Idaho6

Bear Lake National Wildlife Refuge18,273 acres
Camas National Wildlife Refuge10,794 acres
Deer Flat National Wildlife Refuge11,576 acres · also OR
Grays Lake National Wildlife Refuge20,125 acres
Kootenai National Wildlife Refuge2,774 acres
Minidoka National Wildlife Refuge24,522 acres

Illinois13

Chautauqua National Wildlife Refuge6,582 acres
Clarence Cannon National Wildlife Refuge3,934 acres · also MO
Crab Orchard National Wildlife Refuge45,495 acres
Cypress Creek National Wildlife Refuge16,622 acres
Emiquon National Wildlife Refuge2,692 acres
Great River National Wildlife Refuge11,823 acres · also MO
Hackmatack National Wildlife Refuge1,201 acres · also WI
Kankakee National Wildlife Refuge and Conservation Area65 acres
Meredosia National Wildlife Refuge3,700 acres
Middle Mississippi River National Wildlife Refuge8,511 acres · also MO
Port Louisa National Wildlife Refuge18,601 acres · also IA
Two Rivers National Wildlife Refuge7,928 acres · also MO
Upper Mississippi River National Wildlife and Fish Refuge190,553 acres · also WI, IA and MN

Indiana3

Big Oaks National Wildlife Refuge50,680 acres
Muscatatuck National Wildlife Refuge7,844 acres
Patoka River National Wildlife Refuge13,199 acres

Iowa8

Boyer Chute National Wildlife Refuge3,967 acres · also NE
Desoto National Wildlife Refuge8,354 acres · also NE
Driftless Area National Wildlife Refuge1,237 acres
Neal Smith National Wildlife Refuge6,172 acres
Northern Tallgrass Prairie National Wildlife Refuge17,231 acres · also MN
Port Louisa National Wildlife Refuge18,601 acres · also IL
Union Slough National Wildlife Refuge2,840 acres
Upper Mississippi River National Wildlife and Fish Refuge190,553 acres · also WI, MN and IL

Kansas4

Flint Hills National Wildlife Refuge18,575 acres
Kirwin National Wildlife Refuge10,776 acres
Marais Des Cygnes National Wildlife Refuge7,596 acres
Quivira National Wildlife Refuge22,188 acres

Kentucky4

Clarks River National Wildlife Refuge11,818 acres
Green River National Wildlife Refuge2,179 acres
Ohio River Islands National Wildlife Refuge3,218 acres · also WV, OH and PA
Reelfoot National Wildlife Refuge10,411 acres · also TN

Louisiana23

Atchafalaya National Wildlife Refuge15,779 acres
Bayou Cocodrie National Wildlife Refuge15,174 acres
Bayou Sauvage Urban National Wildlife Refuge28,070 acres
Bayou Teche National Wildlife Refuge11,758 acres
Big Branch Marsh National Wildlife Refuge19,443 acres
Black Bayou Lake National Wildlife Refuge5,252 acres
Bogue Chitto National Wildlife Refuge36,563 acres · also MS
Breton National Wildlife Refuge11,928 acres
Cameron Prairie National Wildlife Refuge24,377 acres
Cat Island National Wildlife Refuge11,350 acres
Catahoula National Wildlife Refuge25,186 acres
D'Arbonne National Wildlife Refuge17,670 acres
Delta National Wildlife Refuge50,341 acres
Grand Cote National Wildlife Refuge5,935 acres
Lacassine National Wildlife Refuge33,234 acres
Lake Ophelia National Wildlife Refuge17,410 acres
Mandalay National Wildlife Refuge4,632 acres
Red River National Wildlife Refuge19,014 acres
Sabine National Wildlife Refuge124,964 acres
Shell Keys National Wildlife Refuge1.5 acres
St. Catherine Creek National Wildlife Refuge24,793 acres · also MS
Tensas River National Wildlife Refuge78,075 acres
Upper Ouachita National Wildlife Refuge54,646 acres

Maine11

Aroostook National Wildlife Refuge5,245 acres
Cross Island National Wildlife Refuge1,730 acres
Franklin Island National Wildlife Refuge13 acres
Great Thicket National Wildlife Refuge796 acres · also CT and NY
Moosehorn National Wildlife Refuge29,786 acres
Petit Manan National Wildlife Refuge7,566 acres
Pond Island National Wildlife Refuge14 acres
Rachel Carson National Wildlife Refuge5,749 acres
Seal Island National Wildlife Refuge119 acres
Sunkhaze Meadows National Wildlife Refuge11,594 acres
Umbagog National Wildlife Refuge39,140 acres · also NH

Maryland7

Blackwater National Wildlife Refuge34,765 acres
Chincoteague National Wildlife Refuge12,338 acres · also VA
Eastern Neck National Wildlife Refuge2,124 acres
Martin National Wildlife Refuge4,281 acres
Patuxent Research Refuge12,952 acres
Southern Maryland Woodlands National Wildlife Refuge32 acres
Susquehanna National Wildlife Refuge0.9 acres

Massachusetts11

Assabet River National Wildlife Refuge2,385 acres
Great Meadows National Wildlife Refuge3,883 acres
Mashpee National Wildlife Refuge353 acres
Massasoit National Wildlife Refuge206 acres
Monomoy National Wildlife Refuge7,939 acres
Nantucket National Wildlife Refuge20 acres
Nomans Land Island National Wildlife Refuge623 acres
Oxbow National Wildlife Refuge1,701 acres
Parker River National Wildlife Refuge4,534 acres
Silvio O. Conte National Fish and Wildlife Refuge53,795 acres · also VT, NH and CT
Thacher Island National Wildlife Refuge17 acres

Michigan8

Detroit River International Wildlife Refuge5,667 acres
Green Bay National Wildlife Refuge1,798 acres · also WI
Harbor Island National Wildlife Refuge723 acres
Huron National Wildlife Refuge134 acres
Kirtlands Warbler Wildlife Management Area6,621 acres
Michigan Islands National Wildlife Refuge837 acres
Seney National Wildlife Refuge95,462 acres
Shiawassee National Wildlife Refuge10,308 acres

Minnesota13

Agassiz National Wildlife Refuge61,880 acres
Big Stone National Wildlife Refuge11,921 acres
Crane Meadows National Wildlife Refuge2,204 acres
Glacial Ridge National Wildlife Refuge23,258 acres
Hamden Slough National Wildlife Refuge3,441 acres
Mille Lacs National Wildlife Refuge0.3 acres
Minnesota Valley National Wildlife Refuge14,802 acres
Northern Tallgrass Prairie National Wildlife Refuge17,231 acres · also IA
Rice Lake National Wildlife Refuge18,088 acres
Rydell National Wildlife Refuge2,034 acres
Sherburne National Wildlife Refuge30,680 acres
Tamarac National Wildlife Refuge42,412 acres
Upper Mississippi River National Wildlife and Fish Refuge190,553 acres · also WI, IA and IL

Mississippi15

Bogue Chitto National Wildlife Refuge36,563 acres · also LA
Coldwater River National Wildlife Refuge2,516 acres
Dahomey National Wildlife Refuge9,777 acres
Grand Bay National Wildlife Refuge10,315 acres · also AL
Hillside National Wildlife Refuge15,517 acres
Holt Collier National Wildlife Refuge1,538 acres
Mathews Brake National Wildlife Refuge2,365 acres
Mississippi Sandhill Crane National Wildlife Refuge19,157 acres
Morgan Brake National Wildlife Refuge7,556 acres
Panther Swamp National Wildlife Refuge41,797 acres
Sam D. Hamilton Noxubee National Wildlife Refuge48,326 acres
St. Catherine Creek National Wildlife Refuge24,793 acres · also LA
Tallahatchie National Wildlife Refuge4,675 acres
Theodore Roosevelt National Wildlife Refuge6,265 acres
Yazoo National Wildlife Refuge13,044 acres

Missouri10

Big Muddy National Fish and Wildlife Refuge21,714 acres
Clarence Cannon National Wildlife Refuge3,934 acres · also IL
Great River National Wildlife Refuge11,823 acres · also IL
Loess Bluffs National Wildlife Refuge7,446 acres
Middle Mississippi River National Wildlife Refuge8,511 acres · also IL
Mingo National Wildlife Refuge21,690 acres
Ozark Cavefish National Wildlife Refuge41 acres
Pilot Knob National Wildlife Refuge96 acres
Swan Lake National Wildlife Refuge11,713 acres
Two Rivers National Wildlife Refuge7,928 acres · also IL

Montana19

Benton Lake National Wildlife Refuge12,387 acres
Black Coulee National Wildlife Refuge1,314 acres
Bowdoin National Wildlife Refuge15,529 acres
Charles M. Russell National Wildlife Refuge937,047 acres
Creedman Coulee National Wildlife Refuge84 acres
Grass Lake National Wildlife Refuge4,050 acres
Hailstone National Wildlife Refuge156 acres
Hewitt Lake National Wildlife Refuge720 acres
Lake Mason National Wildlife Refuge16,780 acres
Lake Thibadeau National Wildlife Refuge23 acres
Lee Metcalf National Wildlife Refuge2,827 acres
Lost Trail National Wildlife Refuge8,907 acres
Medicine Lake National Wildlife Refuge31,484 acres
Ninepipe National Wildlife Refuge2,092 acres
Pablo National Wildlife Refuge2,482 acres
Red Rock Lakes National Wildlife Refuge85,504 acres
Swan River National Wildlife Refuge1,937 acres
Ul Bend National Wildlife Refuge55,779 acres
War Horse National Wildlife Refuge2,853 acres

Nebraska8

Boyer Chute National Wildlife Refuge3,967 acres · also IA
Crescent Lake National Wildlife Refuge46,726 acres
Desoto National Wildlife Refuge8,354 acres · also IA
Fort Niobrara National Wildlife Refuge19,085 acres
John W. and Louise Seier National Wildlife Refuge2,405 acres
Karl E. Mundt National Wildlife Refuge1,394 acres · also SD
North Platte National Wildlife Refuge2,908 acres
Valentine National Wildlife Refuge73,672 acres

Nevada9

Anaho Island National Wildlife Refuge239 acres
Ash Meadows National Wildlife Refuge24,342 acres
Desert National Wildlife Refuge1.6 million acres
Fallon National Wildlife Refuge18,047 acres
Moapa Valley National Wildlife Refuge136 acres
Pahranagat National Wildlife Refuge4,619 acres
Ruby Lake National Wildlife Refuge40,055 acres
Sheldon National Wildlife Refuge576,366 acres
Stillwater National Wildlife Refuge83,143 acres

New Hampshire5

Great Bay National Wildlife Refuge1,170 acres
John Hay National Wildlife Refuge81 acres
Silvio O. Conte National Fish and Wildlife Refuge53,795 acres · also VT, MA and CT
Umbagog National Wildlife Refuge39,140 acres · also ME
Wapack National Wildlife Refuge1,662 acres

New Jersey5

Cape May National Wildlife Refuge13,289 acres
Edwin B. Forsythe National Wildlife Refuge44,151 acres
Great Swamp National Wildlife Refuge7,858 acres
Supawna Meadows National Wildlife Refuge3,680 acres · also DE
Wallkill River National Wildlife Refuge6,012 acres · also NY

New Mexico9

Bitter Lake National Wildlife Refuge24,876 acres
Bosque del Apache National Wildlife Refuge57,268 acres
Grulla National Wildlife Refuge3,237 acres
Las Vegas National Wildlife Refuge8,708 acres
Maxwell National Wildlife Refuge3,635 acres
Rio Mora National Wildlife Refuge and Conservation Area4,228 acres
San Andres National Wildlife Refuge57,354 acres
Sevilleta National Wildlife Refuge227,792 acres
Valle de Oro National Wildlife Refuge574 acres

New York12

Amagansett National Wildlife Refuge40 acres
Congressman Lester Wolff Oyster Bay National Wildlife Refuge3,382 acres
Conscience Point National Wildlife Refuge62 acres
Elizabeth Alexandra Morton National Wildlife Refuge185 acres
Great Thicket National Wildlife Refuge796 acres · also ME and CT
Iroquois National Wildlife Refuge10,797 acres
Montezuma National Wildlife Refuge10,304 acres
Seatuck National Wildlife Refuge208 acres
Shawangunk Grasslands National Wildlife Refuge597 acres
Target Rock National Wildlife Refuge78 acres
Wallkill River National Wildlife Refuge6,012 acres · also NJ
Wertheim National Wildlife Refuge2,656 acres

North Carolina11

Alligator River National Wildlife Refuge153,637 acres
Cedar Island National Wildlife Refuge14,360 acres
Currituck National Wildlife Refuge7,985 acres
Great Dismal Swamp National Wildlife Refuge114,142 acres · also VA
Mackay Island National Wildlife Refuge8,735 acres · also VA
Mattamuskeet National Wildlife Refuge49,850 acres
Pea Island National Wildlife Refuge4,862 acres
Pee Dee National Wildlife Refuge8,621 acres
Pocosin Lakes National Wildlife Refuge116,496 acres
Roanoke River National Wildlife Refuge21,312 acres
Swanquarter National Wildlife Refuge16,689 acres

North Dakota62

Appert Lake National Wildlife Refuge906 acres
Ardoch National Wildlife Refuge2,755 acres
Arrowwood National Wildlife Refuge16,024 acres
Audubon National Wildlife Refuge14,782 acres
Bone Hill National Wildlife Refuge638 acres
Brumba National Wildlife Refuge1,968 acres
Buffalo Lake National Wildlife Refuge9,285 acres · also TX
Camp Lake National Wildlife Refuge589 acres
Canfield Lake National Wildlife Refuge306 acres
Chase Lake National Wildlife Refuge4,351 acres
Cottonwood Lake National Wildlife Refuge1,024 acres
Dakota Lake National Wildlife Refuge2,664 acres
Des Lacs National Wildlife Refuge19,584 acres
Florence Lake National Wildlife Refuge1,891 acres
Half-Way Lake National Wildlife Refuge158 acres
Hiddenwood National Wildlife Refuge576 acres
Hobart Lake National Wildlife Refuge2,006 acres
Hutchinson Lake National Wildlife Refuge474 acres
J. Clark Salyer National Wildlife Refuge59,320 acres
Johnson Lake National Wildlife Refuge2,003 acres
Kellys Slough National Wildlife Refuge993 acres
Lake Alice National Wildlife Refuge12,242 acres
Lake George National Wildlife Refuge3,047 acres
Lake Ilo National Wildlife Refuge3,793 acres
Lake Nettie National Wildlife Refuge3,062 acres
Lake Otis National Wildlife Refuge323 acres
Lake Patricia National Wildlife Refuge801 acres
Lake Zahl National Wildlife Refuge3,843 acres
Lambs Lake National Wildlife Refuge1,218 acres
Little Goose National Wildlife Refuge283 acres
Long Lake National Wildlife Refuge22,550 acres
Lords Lake National Wildlife Refuge1,894 acres
Lost Lake National Wildlife Refuge964 acres
Lostwood National Wildlife Refuge27,357 acres
Maple River National Wildlife Refuge721 acres
McLean National Wildlife Refuge663 acres
Pleasant Lake National Wildlife Refuge884 acres
Rabb Lake National Wildlife Refuge252 acres
Rock Lake National Wildlife Refuge5,523 acres
Rose Lake National Wildlife Refuge848 acres
School Section Lake National Wildlife Refuge353 acres
Shell Lake National Wildlife Refuge1,827 acres
Sheyenne Lake National Wildlife Refuge770 acres
Sibley Lake National Wildlife Refuge1,071 acres
Silver Lake National Wildlife Refuge3,333 acres
Slade National Wildlife Refuge2,996 acres
Snyder Lake National Wildlife Refuge1,564 acres
Springwater National Wildlife Refuge646 acres
Stewart Lake National Wildlife Refuge638 acres
Stoney Slough National Wildlife Refuge887 acres
Storm Lake National Wildlife Refuge677 acres
Stump Lake National Wildlife Refuge20 acres
Sunburst Lake National Wildlife Refuge328 acres
Tewaukon National Wildlife Refuge8,321 acres
Tomahawk National Wildlife Refuge438 acres
Upper Souris National Wildlife Refuge32,196 acres
White Horse Hill National Game Preserve940 acres
White Lake National Wildlife Refuge1,036 acres
Wild Rice Lake National Wildlife Refuge782 acres
Willow Lake National Wildlife Refuge2,573 acres
Wintering River National Wildlife Refuge238 acres
Wood Lake National Wildlife Refuge283 acres

Ohio4

Cedar Point National Wildlife Refuge2,610 acres
Ohio River Islands National Wildlife Refuge3,218 acres · also WV, KY and PA
Ottawa National Wildlife Refuge8,536 acres
West Sister Island National Wildlife Refuge74 acres

Oklahoma9

Deep Fork National Wildlife Refuge10,559 acres
Little River National Wildlife Refuge14,242 acres
Optima National Wildlife Refuge4,331 acres
Ozark Plateau National Wildlife Refuge5,006 acres
Salt Plains National Wildlife Refuge32,144 acres
Sequoyah National Wildlife Refuge20,938 acres
Tishomingo National Wildlife Refuge16,466 acres
Washita National Wildlife Refuge8,112 acres
Wichita Mountains Wildlife Refuge59,030 acres

Oregon24

Ankeny National Wildlife Refuge3,026 acres
Bandon Marsh National Wildlife Refuge899 acres
Baskett Slough National Wildlife Refuge2,669 acres
Bear Valley National Wildlife Refuge4,227 acres
Cape Meares National Wildlife Refuge143 acres
Cold Springs National Wildlife Refuge3,125 acres
Deer Flat National Wildlife Refuge11,576 acres · also ID
Hart Mountain National Antelope Refuge278,536 acres
Julia Butler Hansen Refuge for the Columbian White Tail Deer5,876 acres · also WA
Klamath Marsh National Wildlife Refuge46,953 acres
Lewis and Clark National Wildlife Refuge12,869 acres
Lower Klamath National Wildlife Refuge52,548 acres · also CA
Malheur National Wildlife Refuge188,147 acres
McKay Creek National Wildlife Refuge1,831 acres
McNary National Wildlife Refuge15,820 acres · also WA
Nestucca Bay National Wildlife Refuge1,187 acres
Oregon Islands National Wildlife Refuge377 acres
Siletz Bay National Wildlife Refuge573 acres
Three Arch Rocks National Wildlife Refuge8.1 acres
Tualatin River National Wildlife Refuge1,409 acres
Umatilla National Wildlife Refuge23,686 acres · also WA
Upper Klamath National Wildlife Refuge28,759 acres
Wapato Lake National Wildlife Refuge955 acres
William L. Finley National Wildlife Refuge5,693 acres

Pennsylvania4

Cherry Valley National Wildlife Refuge5,835 acres
Erie National Wildlife Refuge8,987 acres
John Heinz National Wildlife Refuge at Tinicum998 acres
Ohio River Islands National Wildlife Refuge3,218 acres · also WV, OH and KY

Puerto Rico9

Buck Island National Wildlife Refuge48 acres
Cabo Rojo National Wildlife Refuge1,884 acres
Culebra National Wildlife Refuge1,437 acres
Desecheo National Wildlife Refuge316 acres
Green Cay National Wildlife Refuge12 acres
Laguna Cartagena National Wildlife Refuge760 acres
Navassa Island National Wildlife Refuge363,650 acres
Sandy Point National Wildlife Refuge518 acres
Vieques National Wildlife Refuge17,518 acres

Rhode Island5

Block Island National Wildlife Refuge131 acres
John H. Chafee National Wildlife Refuge546 acres
Ninigret National Wildlife Refuge886 acres
Sachuest Point National Wildlife Refuge245 acres
Trustom Pond National Wildlife Refuge800 acres

South Carolina8

Cape Romain National Wildlife Refuge62,093 acres
Carolina Sandhills National Wildlife Refuge45,905 acres
Ernest F. Hollings Ace Basin National Wildlife Refuge12,181 acres
Pinckney Island National Wildlife Refuge3,972 acres
Santee National Wildlife Refuge12,832 acres
Savannah National Wildlife Refuge31,613 acres · also GA
Tybee National Wildlife Refuge664 acres · also GA
Waccamaw National Wildlife Refuge38,344 acres

South Dakota6

Bear Butte National Wildlife Refuge402 acres
Karl E. Mundt National Wildlife Refuge1,394 acres · also NE
Lacreek National Wildlife Refuge16,734 acres
Lake Andes National Wildlife Refuge953 acres
Sand Lake National Wildlife Refuge19,786 acres
Waubay National Wildlife Refuge4,633 acres

Tennessee8

Chickasaw National Wildlife Refuge26,837 acres · also AR
Cross Creeks National Wildlife Refuge8,850 acres
Hatchie National Wildlife Refuge11,480 acres
Lake Isom National Wildlife Refuge1,808 acres
Lower Hatchie National Wildlife Refuge14,186 acres
Paint Rock River National Wildlife Refuge87 acres
Reelfoot National Wildlife Refuge10,411 acres · also KY
Tennessee National Wildlife Refuge50,441 acres

Texas20

Aransas National Wildlife Refuge116,612 acres
Attwater Prairie Chicken National Wildlife Refuge11,119 acres
Balcones Canyonlands National Wildlife Refuge27,626 acres
Big Boggy National Wildlife Refuge4,521 acres
Brazoria National Wildlife Refuge47,259 acres
Buffalo Lake National Wildlife Refuge9,285 acres · also ND
Caddo Lake National Wildlife Refuge8,105 acres
Hagerman National Wildlife Refuge11,302 acres
Jocelyn Nungaray National Wildlife Refuge39,096 acres
Laguna Atascosa National Wildlife Refuge100,892 acres
Little Sandy National Wildlife Refuge3,851 acres
Lower Rio Grande Valley National Wildlife Refuge101,120 acres
McFaddin National Wildlife Refuge67,486 acres
Moody National Wildlife Refuge3,555 acres
Muleshoe National Wildlife Refuge6,554 acres
Neches River National Wildlife Refuge10,593 acres
San Bernard National Wildlife Refuge74,548 acres
Santa Ana National Wildlife Refuge2,110 acres
Texas Point National Wildlife Refuge8,368 acres
Trinity River National Wildlife Refuge29,403 acres

Utah3

Bear River Migratory Bird Refuge77,296 acres
Fish Springs National Wildlife Refuge17,963 acres
Ouray National Wildlife Refuge11,940 acres

Vermont2

Missisquoi National Wildlife Refuge7,362 acres
Silvio O. Conte National Fish and Wildlife Refuge53,795 acres · also NH, MA and CT

Virginia15

Back Bay National Wildlife Refuge8,788 acres
Chincoteague National Wildlife Refuge12,338 acres · also MD
Eastern Shore of Virginia National Wildlife Refuge423 acres
Elizabeth Hartwell Mason Neck National Wildlife Refuge2,274 acres
Featherstone National Wildlife Refuge273 acres
Fisherman Island National Wildlife Refuge2,004 acres
Great Dismal Swamp National Wildlife Refuge114,142 acres · also NC
James River National Wildlife Refuge4,627 acres
Mackay Island National Wildlife Refuge8,735 acres · also NC
Nansemond National Wildlife Refuge425 acres
Occoquan Bay National Wildlife Refuge630 acres
Plum Tree Island National Wildlife Refuge3,056 acres
Presquile National Wildlife Refuge1,308 acres
Rappahannock River Valley National Wildlife Refuge12,232 acres
Wallops Island National Wildlife Refuge360 acres

Washington22

Billy Frank Jr. Nisqually National Wildlife Refuge6,095 acres
Columbia National Wildlife Refuge29,046 acres
Conboy Lake National Wildlife Refuge7,223 acres
Copalis National Wildlife Refuge19 acres
Dungeness National Wildlife Refuge1,442 acres
Flattery Rocks National Wildlife Refuge77 acres
Franz Lake National Wildlife Refuge571 acres
Grays Harbor National Wildlife Refuge1,387 acres
Julia Butler Hansen Refuge for the Columbian White Tail Deer5,876 acres · also OR
Little Pend Oreille National Wildlife Refuge40,908 acres
McNary National Wildlife Refuge15,820 acres · also OR
Pierce National Wildlife Refuge386 acres
Protection Island National Wildlife Refuge391 acres
Quillayute Needles National Wildlife Refuge63 acres
Ridgefield National Wildlife Refuge4,998 acres
Saddle Mountain National Wildlife Refuge162,461 acres
San Juan Islands National Wildlife Refuge394 acres
Steigerwald Lake National Wildlife Refuge1,315 acres
Toppenish National Wildlife Refuge1,999 acres
Turnbull National Wildlife Refuge20,990 acres
Umatilla National Wildlife Refuge23,686 acres · also OR
Willapa National Wildlife Refuge20,751 acres

West Virginia2

Canaan Valley National Wildlife Refuge19,024 acres
Ohio River Islands National Wildlife Refuge3,218 acres · also OH, KY and PA

Wisconsin9

Fox River National Wildlife Refuge997 acres
Gravel Island National Wildlife Refuge125 acres
Green Bay National Wildlife Refuge1,798 acres · also MI
Hackmatack National Wildlife Refuge1,201 acres · also IL
Horicon National Wildlife Refuge21,942 acres
Necedah National Wildlife Refuge44,087 acres
Trempealeau National Wildlife Refuge6,950 acres
Upper Mississippi River National Wildlife and Fish Refuge190,553 acres · also IA, MN and IL
Whittlesey Creek National Wildlife Refuge455 acres

Wyoming7

Bamforth National Wildlife Refuge1,169 acres
Cokeville Meadows National Wildlife Refuge8,722 acres
Hutton Lake National Wildlife Refuge1,995 acres
Mortenson Lake National Wildlife Refuge2,554 acres
National Elk Refuge24,851 acres
Pathfinder National Wildlife Refuge16,852 acres
Seedskadee National Wildlife Refuge25,896 acres