Largest National Park Areas in the U.S.

compiled by Wm. Robert Johnston
last updated 15 December 2019

park name typestate managing
agency
area (km2)
Wrangell-St. Elias NP AK NPS 33,682.5789
Gates of the Arctic NP AK NPS 30,448.1328
Noatak NPrAK NPS 26,656.9322
Wrangell-St. Elias NPrAK NPS 19,637.9557
Denali NP AK NPS 19,185.7868
Katmai NP AK NPS 14,870.2926
Death Valley NP CA/NV NPS 13,793.3327
Glacier Bay NP AK NPS 13,044.5700
Bering Land Bridge NPrAK NPS 10,915.9542
Lake Clark NP AK NPS 10,602.0212
Yukon-Charley Rivers NPrAK NPS 10,224.4331
Misty Fjords NM AK USFS 9,283.780
Yellowstone NP WY/MT/IDNPS 8,983.1743
Kobuk Valley NP AK NPS 7,084.8969
Mojave Trails NM CA BLM 6,474.97
Mojave Desert NPrCA NPS 6,255.2644
Everglades NP FL NPS 6,106.4578
Lake Mead NRANV/AZ NPS 6,053.3507
Lake Clark NPrAK NPS 5,707.2560
Denali NPrAK NPS 5,398.9832
Glen Canyon NRAUT/CO NPS 5,075.2299
Grand Canyon NP AZ NPS 4,862.8930
Pinelands NResNJ NJ 4,381.9
Admiralty Island NM AK USFS 4,127.231
Glacier NP MT NPS 4,099.9754
Grand Staircase-Escalante NM UT NPS 4,072.518
Gates of the Arctic NPrAK NPS 3,838.8807
Olympic NP WA NPS 3,733.8297
Grand Canyon-Parashant NM AZ BLM 3,398.841
Big Bend NP TX NPS 3,242.1925
Joshua Tree NP CA NPS 3,217.8816
Yosemite NP CA NPS 3,082.6828
Sawtooth NRAID USFS 3,050.569
Big Cypress NPrFL NPS 2,916.0191
Basin and Range NM NV BLM 2,865.267
Kenai Fjords NP AK NPS 2,709.9776
Hells Canyon NRAOR/ID USFS 2,675.377
Cape Krusenstern NM AK NPS 2,626.7989
Organ Mountains-Desert Peaks NM NM BLM 2,361.187
Isle Royale NP MI NPS 2,313.9532
Great Smoky Mountains NP TN/NC NPS 2,114.1866
North Cascades NP WA NPS 2,042.7760
Upper Missouri River Breaks NM MT BLM 2,014.610
Sonoran Desert NM AZ BLM 2,008.860
Aniakchak NPrAK NPS 1,878.2186
Kings Canyon NP CA NPS 1,869.2478
Craters of the Moon NPrID NPS 1,721.74
Katmai NPrAK NPS 1,694.4139
Sequoia NP CA NPS 1,635.1835
Giant Sequoia NM CA USFS 1,427.027
San Gabriel Mountains NM CA USFS 1,397.064
Canyonlands NP UT NPS 1,366.2099
Berryessa Snow Mountain NM CA USFS-BLM 1,339.210
Organ Pipe Cactus NM AZ NPS 1,338.2503
Smith River NRACA USFS 1,334.762
Hawaii Volcanoes NP HI NPS 1,317.6778
Spring Mountains NRANV USFS 1,301.910
Rio Grande del Norte NM NM BLM 1,257.480
Grand Teton NP WY NPS 1,254.7050
Gold Butte NM NV BLM 1,201.661
Vermilion Cliffs NM AZ BLM 1,188.509
Santa Rosa and San Jacinto MountainsNM CA BLM/USFS 1,133.156
Craters of the Moon NM ID BLM 1,106.767
Rocky Mountain NP CO NPS 1,075.6838
Fortymile NWSRRvAK BLM 1,015.275
Channel Islands NP CA NPS 1,009.9375

Notes:

Sources:

© 2000-2013, 2019 by Wm. Robert Johnston.
Last modified 15 December 2019.
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