| Area (sq miles) |
Visits | Visits Rank |
Hours | Hours Rank |
Crowd Factor |
Crowd Rank |
|
| Gateway Arch | 0.14 | 2,006,982 | 12 | 8,027,927 | 19 | 13092 | 1 |
| Hot Springs | 9 | 1,380,780 | 16 | 2,921,406 | 33 | 74 | 2 |
| Acadia | 74 | 2,605,536 | 9 | 14,506,845 | 12 | 45 | 3 |
| Bryce Canyon | 56 | 1,565,676 | 15 | 10,266,170 | 15 | 42 | 4 |
| Cuyahoga Valley | 51 | 2,359,884 | 10 | 6,879,998 | 22 | 31 | 5 |
| Virgin Islands | 23 | 432,377 | 39 | 2,659,118 | 36 | 26 | 6 |
| Zion | 229 | 3,233,651 | 6 | 22,409,146 | 8 | 22 | 7 |
| Great Smoky Mountains | 815 | 9,951,197 | 1 | 73,751,865 | 3 | 21 | 8 |
| Haleakala | 45 | 1,097,150 | 20 | 2,767,447 | 35 | 14 | 9 |
| Yosemite | 1,189 | 3,996,500 | 3 | 69,060,263 | 4 | 13 | 10 |
| Rocky Mountain | 415 | 3,447,870 | 5 | 23,853,991 | 7 | 13 | 11 |
| Sequoia | 631 | 1,060,315 | 21 | 34,300,080 | 5 | 12 | 12 |
| Mesa Verde | 81 | 542,916 | 31 | 3,838,543 | 28 | 11 | 13 |
| Grand Canyon | 1,902 | 4,894,769 | 2 | 77,132,187 | 1 | 9.3 | 14 |
| Grand Teton | 484 | 2,824,532 | 8 | 19,163,408 | 9 | 9 | 15 |
| Mammoth Cave | 83 | 519,706 | 34 | 3,265,414 | 32 | 9 | 16 |
| Mount Rainier | 368 | 1,201,686 | 18 | 14,397,328 | 13 | 8.9 | 17 |
| Arches | 120 | 1,194,247 | 19 | 4,679,489 | 25 | 8.9 | 18 |
| Wind Cave | 44 | 571,858 | 30 | 1,708,104 | 41 | 8.9 | 19 |
| Shenandoah | 311 | 1,248,024 | 17 | 9,982,367 | 16 | 7.3 | 20 |
| Lassen Volcanic | 166 | 425,829 | 40 | 4,713,159 | 24 | 6.5 | 21 |
| Kings Canyon | 722 | 577,854 | 29 | 18,852,981 | 10 | 6 | 22 |
| Black Canyon of the Gunnison | 51 | 198,211 | 48 | 1,168,051 | 46 | 5.2 | 23 |
| Carlsbad Caverns | 73 | 422,600 | 41 | 1,643,787 | 44 | 5.1 | 24 |
| Pinnacles | 42 | 229,210 | 46 | 912,448 | 50 | 5 | 25 |
| Yellowstone | 3,468 | 3,601,693 | 4 | 75,042,496 | 2 | 4.9 | 26 |
| Hawaii Volcanoes | 505 | 1,565,752 | 14 | 9,854,364 | 17 | 4.5 | 27 |
| Theodore Roosevelt | 110 | 607,803 | 28 | 2,061,979 | 37 | 4.3 | 28 |
| Glacier | 1,584 | 2,320,217 | 11 | 27,089,324 | 6 | 3.9 | 29 |
| Crater Lake | 286 | 532,266 | 33 | 3,428,235 | 30 | 2.7 | 30 |
| Badlands | 379 | 931,199 | 24 | 4,243,177 | 27 | 2.6 | 31 |
| Petrified Forest | 146 | 666,467 | 27 | 1,682,902 | 43 | 2.6 | 32 |
| Congaree | 41 | 121,036 | 50 | 469,065 | 53 | 2.6 | 33 |
| Olympic | 1,442 | 3,137,907 | 7 | 15,067,414 | 11 | 2.4 | 34 |
| Joshua Tree | 1,234 | 1,728,215 | 13 | 12,475,720 | 14 | 2.3 | 35 |
| Redwood | 176 | 432,380 | 38 | 1,699,816 | 42 | 2.2 | 36 |
| Great Basin | 121 | 105,880 | 51 | 1,161,639 | 47 | 2.2 | 37 |
| Canyonlands | 527 | 539,336 | 32 | 4,369,735 | 26 | 1.9 | 38 |
| Great Sand Dunes | 233 | 307,125 | 44 | 1,875,242 | 39 | 1.8 | 39 |
| Channel Islands | 390 | 307,829 | 43 | 2,825,672 | 34 | 1.7 | 40 |
| Saguaro | 143 | 721,678 | 26 | 1,034,186 | 49 | 1.7 | 41 |
| Dry Tortugas | 101 | 62,764 | 53 | 733,466 | 52 | 1.7 | 42 |
| Big Bend | 1,252 | 359,403 | 42 | 8,683,348 | 18 | 1.6 | 43 |
| Biscayne | 270 | 504,554 | 35 | 1,718,672 | 40 | 1.5 | 44 |
| Voyageurs | 341 | 227,996 | 47 | 1,897,482 | 38 | 1.3 | 45 |
| Capitol Reef | 284 | 783,314 | 25 | 1,275,862 | 45 | 1 | 46 |
| Guadalupe Mountains | 135 | 175,588 | 49 | 454,766 | 55 | 0.77 | 47 |
| American Samoa | 14 | 17,321 | 57 | 34,642 | 59 | 0.56 | 48 |
| Everglades | 2,357 | 989,970 | 23 | 3,642,777 | 29 | 0.35 | 49 |
| Death Valley | 5,269 | 1,041,596 | 22 | 7,861,951 | 20 | 0.34 | 50 |
| Isle Royale | 893 | 17,972 | 56 | 1,151,455 | 48 | 0.29 | 51 |
| Glacier Bay | 5,039 | 480,802 | 37 | 6,175,456 | 23 | 0.28 | 52 |
| Denali | 7,408 | 481,744 | 36 | 6,977,855 | 21 | 0.22 | 53 |
| Kenai Fjords | 1,047 | 291,727 | 45 | 903,085 | 51 | 0.2 | 54 |
| North Cascades | 789 | 24,164 | 55 | 468,323 | 54 | 0.14 | 55 |
| Wrangell St Elias | 13,005 | 72,362 | 52 | 3,328,672 | 31 | 0.06 | 56 |
| Katmai | 5,741 | 36,825 | 54 | 284,277 | 56 | 0.01 | 57 |
| Lake Clark | 4,093 | 13,402 | 58 | 106,848 | 58 | 0.006 | 58 |
| Gates of the Arctic | 11,756 | 11,038 | 60 | 168,313 | 57 | 0.003 | 59 |
| Kobuk Valley | 2,735 | 11,939 | 59 | 34472 | 60 | 0.003 | 60 |