List of US National Parks by size from largest to smallest
- Wrangell-St. Elias National Park and Preserve, Alaska – 13,175,799 acres
- Gates of the Arctic National Park and Preserve, Alaska – 8,472,506 acres
- Denali National Park and Preserve, Alaska – 6,075,029 acres
- Katmai National Park and Preserve, Alaska – 4,093,077 acres
- Lake Clark National Park and Preserve, Alaska – 4,030,015 acres
- Death Valley National Park, California and Nevada – 3,408,406 acres
- Glacier Bay National Park and Preserve, Alaska – 3,223,384 acres
- Yellowstone National Park, Wyoming, Montana, and Idaho – 2,219,791 acres
- Kobuk Valley National Park, Alaska – 1,750,716 acres
- Everglades National Park, Florida – 1,508,938 acres
- Grand Canyon National Park, Arizona – 1,201,647 acres
- Glacier National Park, Montana – 1,013,572 acres
- Olympic National Park, Washington – 922,650 acres
- Sequoia National Park, California – 404,064 acres
- Kings Canyon National Park, California – 461,901 acres
- Big Bend National Park, Texas – 801,163 acres
- Joshua Tree National Park, California – 795,156 acres
- Yosemite National Park, California – 761,266 acres
- Kenai Fjords National Park, Alaska – 669,984 acres
- Great Smoky Mountains National Park, Tennessee and North Carolina – 522,427 acres
- North Cascades National Park, Washington – 504,781 acres
- Hawaii Volcanoes National Park, Hawaii – 325,605 acres
- Grand Teton National Park, Wyoming – 310,044 acres
- Canyonlands National Park, Utah – 337,598 acres
- Rocky Mountain National Park, Colorado – 265,807 acres
- Channel Islands National Park, California – 249,561 acres
- Badlands National Park, South Dakota – 242,756 acres
- Capitol Reef National Park, Utah – 241,904 acres
- Mount Rainier National Park, Washington – 236,381 acres
- Petrified Forest National Park, Arizona – 221,390 acres
- Voyageurs National Park, Minnesota – 218,200 acres
- Shenandoah National Park, Virginia – 199,045 acres
- Crater Lake National Park, Oregon – 183,224 acres
- Biscayne National Park, Florida – 172,971 acres
- Great Sand Dunes National Park and Preserve, Colorado – 149,028 acres
- Zion National Park, Utah – 147,242 acres
- White Sands National Park, New Mexico – 146,344 acres
- Redwood National Park, California – 138,999 acres
- Lassen Volcanic National Park, California – 106,452 acres
- Saguaro National Park, Arizona – 91,716 acres
- Guadalupe Mountains National Park, Texas – 86,367 acres
- Great Basin National Park, Nevada – 77,180 acres
- Arches National Park, Utah – 76,679 acres
- New River Gorge National Park and Preserve, West Virginia – 72,186 acres
- Theodore Roosevelt National Park, North Dakota – 70,447 acres
- Dry Tortugas National Park, Florida – 64,701 acres
- Mesa Verde National Park, Colorado – 52,485 acres
- Mammoth Cave National Park, Kentucky – 54,011 acres
- Acadia National Park, Maine – 49,075 acres
- Carlsbad Caverns National Park, New Mexico – 46,766 acres
- Isle Royale National Park, Michigan – 571,790 acres
- Bryce Canyon National Park, Utah – 35,835 acres
- Wind Cave National Park, South Dakota – 33,970 acres
- Haleakalā National Park, Hawaii – 33,265 acres
- Cuyahoga Valley National Park, Ohio – 32,572 acres
- Black Canyon of the Gunnison National Park, Colorado – 30,750 acres
- Pinnacles National Park, California – 26,606 acres
- Congaree National Park, South Carolina – 26,476 acres
- Indiana Dunes National Park, Indiana – 15,349 acres
- Virgin Islands National Park, U.S. Virgin Islands – 14,689 acres
- National Park of American Samoa, American Samoa – 8,257 acres
- Hot Springs National Park, Arkansas – 5,550 acres
- Gateway Arch National Park, Missouri – 91 acres
From this table, you can find what is the largest national park in US and what is the smallest national park in US.
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