51 units · National Park

National Parks

The National Park System has 51 units designated National Park, spread across 30 states and territories. Great Smoky Mountains National Park draws more people than any of them, 11.5 million in 2025. Most of them charge an entrance fee.

Where they are

Free to enter Charges an entrance feePoints are the Park Service reference point for each unit, not a boundary.

Ranked by 2025 visits

All units ranked →
No. 1 · 11,527,939 visits · NC, TN
Great Smoky Mountains National Park
Free to enter13 campgrounds
No. 2 · 4,984,525 visits · UT
Zion National Park
Entrance fee3 campgrounds
No. 3 · 4,762,988 visits · ID, MT, WY
Yellowstone National Park
Entrance fee12 campgrounds
No. 4 · 4,430,653 visits · AZ
Grand Canyon National Park
Entrance fee3 campgrounds
No. 5 · 4,278,413 visits · CA
Yosemite National Park
Entrance fee16 campgrounds
No. 6 · 4,171,431 visits · CO
Rocky Mountain National Park
Entrance fee5 campgrounds
No. 7 · 4,079,318 visits · ME
Acadia National Park
Entrance fee4 campgrounds
No. 8 · 3,800,648 visits · WY
Grand Teton National Park
Entrance fee8 campgrounds
No. 9 · 3,584,187 visits · WA
Olympic National Park
Entrance fee12 campgrounds
No. 10 · 3,136,557 visits · MT
Glacier National Park
Entrance fee13 campgrounds
No. 11 · 3,025,325 visits · OH
Cuyahoga Valley National Park
Free to enter5 alerts
No. 12 · 2,932,644 visits · CA
Joshua Tree National Park
Entrance fee9 campgrounds
No. 13 · 2,629,497 visits · IN
Indiana Dunes National Park
Entrance fee3 campgrounds
No. 14 · 2,494,611 visits · AR
Hot Springs National Park
Free to enter1 campground
No. 15 · 2,209,028 visits · MO
Gateway Arch National Park
Free to enterNo alerts
No. 16 · 1,967,367 visits · UT
Bryce Canyon National Park
Entrance fee2 campgrounds
No. 17 · 1,877,854 visits · HI
Hawaiʻi Volcanoes National Park
Entrance fee2 campgrounds
No. 18 · 1,682,152 visits · VA
Shenandoah National Park
Entrance fee4 campgrounds
No. 19 · 1,635,342 visits · WA
Mount Rainier National Park
Entrance fee3 campgrounds
No. 20 · 1,511,740 visits · UT
Arches National Park
Entrance fee1 campground
No. 21 · 1,388,476 visits · UT
Capitol Reef National Park
Entrance fee5 campgrounds
No. 22 · 1,320,134 visits · CA, NV
Death Valley National Park
Entrance fee12 campgrounds
No. 23 · 1,139,361 visits · SD
Badlands National Park
Entrance fee2 campgrounds
No. 24 · 853,711 visits · HI
Haleakalā National Park
Entrance fee4 campgrounds
No. 25 · 847,749 visits · AZ
Saguaro National Park
Entrance fee6 campgrounds
No. 26 · 796,057 visits · UT
Canyonlands National Park
Entrance fee3 campgrounds
No. 27 · 778,198 visits · FL
Everglades National Park
Entrance fee2 campgrounds
No. 28 · 729,893 visits · ND
Theodore Roosevelt National Park
Entrance fee3 campgrounds
No. 29 · 660,734 visits · KY
Mammoth Cave National Park
Free to enter3 campgrounds
No. 30 · 659,742 visits · NM
White Sands National Park
Entrance fee1 campground
No. 31 · 632,242 visits · OR
Crater Lake National Park
Entrance fee2 campgrounds
No. 32 · 606,258 visits · SD
Wind Cave National Park
Free to enter1 campground
No. 33 · 568,104 visits · TX
Big Bend National Park
Entrance fee4 campgrounds
No. 34 · 504,777 visits · CA
Lassen Volcanic National Park
Entrance fee10 campgrounds
No. 35 · 486,567 visits · FL
Biscayne National Park
Free to enter2 campgrounds
No. 36 · 471,074 visits · VI
Virgin Islands National Park
Free to enter1 campground
No. 37 · 463,130 visits · CO
Mesa Verde National Park
Entrance fee1 campground
No. 38 · 425,369 visits · AK
Kenai Fjords National Park
Free to enter1 campground
No. 39 · 410,778 visits · NM
Carlsbad Caverns National Park
Entrance fee5 alerts
No. 40 · 343,208 visits · CA
Pinnacles National Park
Entrance fee1 campground
No. 41 · 315,951 visits · AZ
Petrified Forest National Park
Entrance fee2 alerts
No. 42 · 287,833 visits · SC
Congaree National Park
Free to enter2 campgrounds
No. 43 · 250,086 visits · CO
Black Canyon Of The Gunnison National Park
Entrance fee3 campgrounds
No. 44 · 227,186 visits · CA
Channel Islands National Park
Free to enter7 campgrounds
No. 45 · 206,423 visits · TX
Guadalupe Mountains National Park
Entrance fee13 campgrounds
No. 46 · 206,326 visits · MN
Voyageurs National Park
Free to enter1 alert
No. 47 · 161,210 visits · NV
Great Basin National Park
Free to enter7 campgrounds
No. 48 · 89,355 visits · FL
Dry Tortugas National Park
Entrance fee1 campground
No. 49 · 46,925 visits · WA
North Cascades National Park
Free to enter10 campgrounds
No. 50 · 29,091 visits · MI
Isle Royale National Park
Entrance fee36 campgrounds
No. 51 · 7,786 visits · AK
Kobuk Valley National Park
Free to enterNo alerts

States with this designation

All states →
Alaska 2Arkansas 1Arizona 3California 6Colorado 3Florida 3Hawaii 2Idaho 1Indiana 1Kentucky 1Maine 1Michigan 1Minnesota 1Missouri 1Montana 2North Carolina 1North Dakota 1New Mexico 2Nevada 2Ohio 1Oregon 1South Carolina 1South Dakota 2Tennessee 1Texas 2Utah 5Virginia 1U.S. Virgin Islands 1Washington 3Wyoming 2

Visit counts are from the NPS Visitor Use Statistics system. Designations, fees, alerts and campgrounds are from the NPS API. Data refreshed October 14, 2026. Other unit types.