|
Rank
|
Size
|
State/Territory
|
National Park
|
|
1
|
8,323,146.48 acres
(33,682.6 km2)
|
AK
|
Wrangell-St. Elias
|
|
—
|
7,939,891.41 acres
(32,133 km2)
|
—
|
Maryland
|
|
2
|
7,523,897.45 acres
(30,448.1 km2)
|
AK
|
Gates of the Arctic
|
|
—
|
6,995,800.45 acres
(28,311 km2)
|
—
|
Hawaii
|
|
—
|
6,754,998.96 acres
(27,363 km2)
|
—
|
Massachusetts
|
|
—
|
6,154,521.66 acres
(24,923 km2)
|
—
|
Vermont
|
|
—
|
5,983,521.54 acres
(24,216 km2)
|
—
|
New Hampshire
|
|
—
|
5,582,462.01 acres
(22,591.38 km2)
|
—
|
New Jersey
|
|
3
|
4,740,911.16 acres
(19,185.8 km2)
|
AK
|
Denali
|
|
4
|
3,674,529.33 acres
(14,870.3 km2)
|
AK
|
Katmai
|
|
—
|
3,547,758.27 acres
(14,356 km2)
|
—
|
Connecticut
|
|
5
|
3,408,395.63 acres
(13,793.3 km2)
|
CA
|
Death Valley
|
|
6
|
3,223,383.43 acres
(13,044.6 km2)
|
AK
|
Glacier Bay
|
|
7
|
2,619,816.49 acres
(10,602.0 km2)
|
AK
|
Lake Clark
|
|
8
|
2,219,790.71 acres
(8,983.2 km2)
|
WY/MT/ID
|
Yellowstone
|
|
9
|
1,750,716.16 acres
(7,084.9 km2)
|
AK
|
Kobuk Valley
|
|
—
|
1,592,871.06 acres
(6,450 km2)
|
—
|
Delaware
|
|
10
|
1,508,938.57 acres
(6,106.5 km2)
|
FL
|
Everglades
|
|
11
|
1,201,647.03 acres
(4,862.9 km2)
|
AZ
|
Grand Canyon
|
|
12
|
1,013,126.39 acres
(4,100.0 km2)
|
MT
|
Glacier
|
|
—
|
776,960 acres
(4,001 km2)
|
—
|
Rhode Island
|
|
13
|
922,649.41 acres
(3,733.8 km2)
|
WA
|
Olympic
|
|
14
|
801,163.21 acres
(3,242.2 km2)
|
TX
|
Big Bend
|
|
15
|
795,155.85 acres
(3,217.9 km2)
|
CA
|
Joshua Tree
|
|
16
|
761,747.50 acres
(3,082.7 km2)
|
CA
|
Yosemite
|
|
17
|
669,650.05 acres
(2,710.0 km2)
|
AK
|
Kenai Fjords
|
|
18
|
571,790.30 acres
(2,314.0 km2)
|
MI
|
Isle Royale
|
|
19
|
522,426.88 acres
(2,114.2 km2)
|
NC/TN
|
Great Smoky Mountains
|
|
20
|
504,780.94 acres
(2,042.8 km2)
|
WA
|
North Cascades
|
|
21
|
461,901.20 acres
(1,869.2 km2)
|
CA
|
Kings Canyon
|
|
22
|
404,062.63 acres
(1,635.2 km2)
|
CA
|
Sequoia
|
|
23
|
344,812.18 acres
(1,395.4 km2)
|
HI
|
Hawai'i Volcanoes
|
|
24
|
337,597.83 acres
(1,366.2 km2)
|
UT
|
Canyonlands
|
|
25
|
310,044.36 acres
(1,254.7 km2)
|
WY
|
Grand Teton
|
|
26
|
265,847.74 acres
(1,075.8 km2)
|
CO
|
Rocky Mountain
|
|
27
|
249,561.00 acres
(1,009.9 km2)
|
CA
|
Channel Islands
|
|
28
|
242,755.94 acres
(982.4 km2)
|
SD
|
Badlands
|
|
29
|
241,904.50 acres
(979.0 km2)
|
UT
|
Capitol Reef
|
|
30
|
236,381.64 acres
(956.6 km2)
|
WA
|
Mount Rainier
|
|
31
|
221,390.21 acres
(895.9 km2)
|
AZ
|
Petrified Forest
|
|
32
|
218,222.35 acres
(883.1 km2)
|
MN
|
Voyageurs
|
|
33
|
200,445.92 acres
(811.2 km2)
|
VA
|
Shenandoah
|
|
34
|
183,224.05 acres
(741.5 km2)
|
OR
|
Crater Lake
|
|
35
|
172,971.11 acres
(700.0 km2)
|
FL
|
Biscayne
|
|
36
|
147,242.66 acres
(595.9 km2)
|
UT
|
Zion
|
|
37
|
146,344.31 acres
(592.2 km2)
|
NM
|
White Sands
|
|
38
|
138,999.37 acres
(562.5 km2)
|
CA
|
Redwood
|
|
39
|
107,345.73 acres
(434.4 km2)
|
CO
|
Great Sand Dunes
|
|
40
|
106,589.02 acres
(431.4 km2)
|
CA
|
Lassen Volcanic
|
|
41
|
92,876.75 acres
(375.9 km2)
|
AZ
|
Saguaro
|
|
42
|
86,367.10 acres
(349.5 km2)
|
TX
|
Guadalupe Mountains
|
|
43
|
77,180.00 acres
(312.3 km2)
|
NV
|
Great Basin
|
|
44
|
76,678.98 acres
(310.3 km2)
|
UT
|
Arches
|
|
45
|
72,472.87 acres
(293.3 km2)
|
KY
|
Mammoth Cave
|
|
46
|
70,446.89 acres
(285.1 km2)
|
ND
|
Theodore Roosevelt
|
|
47
|
64,701.22 acres
(261.8 km2)
|
FL
|
Dry Tortugas
|
|
48
|
52,485.17 acres
(212.4 km2)
|
CO
|
Mesa Verde
|
|
49
|
49,071.40 acres
(198.6 km2)
|
ME
|
Acadia
|
|
50
|
46,766.45 acres
(189.3 km2)
|
NM
|
Carlsbad Caverns
|
|
51
|
35,835.08 acres
(145.0 km2)
|
UT
|
Bryce Canyon
|
|
52
|
33,970.84 acres
(137.5 km2)
|
SD
|
Wind Cave
|
|
53
|
33,488.98 acres
(135.5 km2)
|
HI
|
Haleakalā
|
|
54
|
32,571.89 acres
(131.8 km2)
|
OH
|
Cuyahoga Valley
|
|
55
|
30,779.83 acres
(124.6 km2)
|
CO
|
Black Canyon of the Gunnison
|
|
56
|
26,692.60 acres
(108.0 km2)
|
SC
|
Congaree
|
|
57
|
26,685.73 acres
(108.0 km2)
|
CA
|
Pinnacles
|
|
58
|
15,349.08 acres
(62.1 km2)
|
IN
|
Indiana Dunes
|
|
59
|
15,052.33 acres
(60.9 km2)
|
U.S. Virgin Islands
|
Virgin Islands
|
|
60
|
8,256.67 acres
(33.4 km2)
|
American Samoa
|
American Samoa
|
|
61
|
7,021 acres
(28.4 km2)
|
WV
|
New River Gorge
|
|
62
|
5,554.15 acres
(22.5 km2)
|
AR
|
Hot Springs
|
|
63
|
192.83 acres
(0.8 km2)
|
MO
|
Gateway Arch
|
