All 63 US National Parks, A–Z

Every US national park with its computed best window — click through for the full month-by-month crowd, weather and daylight table.

Park	Best window	Peak month	State	Annual visits
Acadia National Park	May, Jun	Aug	ME	3,992,045
National Park of American Samoa	Jun, Aug, Dec	Apr	AS	17,668
Arches National Park	Feb, Mar, Nov	May	UT	1,545,566
Badlands National Park	Apr, May, Oct	Jul	SD	1,102,207
Big Bend National Park	Jan, Feb, Sep	Mar	TX	546,805
Biscayne National Park	Jan, Feb, Dec	May	FL	595,339
Black Canyon of the Gunnison National Park	Mar, Apr, May	Jun	CO	309,836
Bryce Canyon National Park	Mar, Apr, Aug	Jun	UT	2,277,195
Canyonlands National Park	Feb, Mar, Nov	May	UT	821,124
Capitol Reef National Park	Feb, Mar, Apr	May	UT	1,342,558
Carlsbad Caverns National Park	Jan, Feb, Oct	Jul	NM	401,110
Channel Islands National Park	Jan, Mar, May	Jul	CA	292,203
Congaree National Park	Jan, Feb, Apr	May	SC	239,941
Crater Lake National Park	May, Jun, Sep	Jul	OR	574,435
Cuyahoga Valley National Park	Apr, May, Jun	Jul	OH	2,857,286
Death Valley National Park	Jan, Feb, Nov	Mar	CA/NV	1,227,132
Denali National Park	May, Jun, Sep	Aug	AK	433,068
Dry Tortugas National Park	Jan, Feb, Nov	May	FL	84,162
Everglades National Park	Oct, Nov, Dec	Feb	FL	885,539
Gates of the Arctic National Park	Apr, May, Sep	Jul	AK	10,939
Gateway Arch National Park	Apr, Sep, Oct	Jul	MO	1,991,753
Glacier National Park	Jun, Sep, Oct	Jul	MT	3,053,809
Glacier Bay National Park	Apr, May, Jun	Jul	AK	563,103
Grand Canyon National Park	Feb, Apr, Jun	Jul	AZ	4,669,660
Grand Teton National Park	Apr, May, Oct	Jul	WY	3,507,486
Great Basin National Park	Mar, Apr, May	Jul	NV	148,707
Great Sand Dunes National Park	Mar, Apr, Oct	Jun	CO	495,685
Great Smoky Mountains National Park	Apr, May, Aug	Oct	TN/NC	12,823,319
Guadalupe Mountains National Park	May, Aug, Sep	Mar	TX	224,635
Haleakalā National Park	Apr, Aug, Sep	Jul	HI	863,655
Hawaiʻi Volcanoes National Park	Apr	Dec	HI	1,555,088
Hot Springs National Park	Jan, Sep, Oct	Jun	AR	2,453,681
Indiana Dunes National Park	Mar, Apr, May	Jul	IN	2,822,397
Isle Royale National Park	May, Sep, Oct	Aug	MI	27,632
Joshua Tree National Park	Jan, May, Oct	Mar	CA	3,063,524
Katmai National Park	May, Jun, Oct	Jul	AK	32,629
Kenai Fjords National Park	Apr, May, Jun	Jul	AK	406,818
Kings Canyon National Park	Apr, May, Oct	Jul	CA	665,230
Kobuk Valley National Park	May, Jun, Aug	Jul	AK	14,221
Lake Clark National Park	Apr, May, Jun	Jul	AK	18,295
Lassen Volcanic National Park	Aug, Sep, Oct	Jul	CA	417,467
Mammoth Cave National Park	Jan, Feb, Nov	Jul	KY	648,231
Mesa Verde National Park	Mar, Apr, May	Jun	CO	499,330
Mount Rainier National Park	May, Jun, Sep	Jul	WA	1,644,420
New River Gorge National Park	Mar, Apr, Nov	Jul	WV	1,750,770
North Cascades National Park	May, Jun, Oct	Jul	WA	30,353
Olympic National Park	Apr, May, Jun	Aug	WA	3,080,172
Petrified Forest National Park	Feb, Apr, Nov	Jun	AZ	498,248
Pinnacles National Park	May, Oct, Nov	Apr	CA	332,477
Redwood National Park	Apr, May, Aug	Jun	CA	625,750
Rocky Mountain National Park	Mar, Apr, May	Jul	CO	4,235,378
Saguaro National Park	May, Sep, Oct	Mar	AZ	958,601
Sequoia National Park	May, Jun, Oct	Jul	CA	1,176,246
Shenandoah National Park	Feb, Mar, Apr	Oct	VA	1,603,996
Theodore Roosevelt National Park	Apr, May, Oct	Jul	ND	734,893
Virgin Islands National Park	Aug, Sep, Oct	Mar	VI	351,708
Voyageurs National Park	Apr, May, Oct	Aug	MN	218,131
White Sands National Park	Feb, Oct, Nov	Mar	NM	715,734
Wind Cave National Park	Mar, Apr, Oct	Jul	SD	600,907
Wrangell–St. Elias National Park	Apr, May, Sep	Jul	AK	76,849
Yellowstone National Park	May, Jun	Jul	WY/MT/ID	4,431,842
Yosemite National Park	Mar, Apr, May	Aug	CA	3,850,488
Zion National Park	Jan, Feb, Nov	Jun	UT	4,857,322

Visits = mean annual recreation visits 2021–2025, NPS Visitor Use Statistics. Last verified 2026-09-24

Park photos: Acadia — NPS Photo by Kent Miller · American Samoa — NPS Photo / Michael Larson · Arches — NPS Photo · Badlands — NPS Photo · Big Bend — NPS · Biscayne — NPS image by Shaun Wolfe · Black Canyon of the Gunnison — NPS Photo/Lynch · Bryce Canyon — NPS Photo / Peter Densmore · Canyonlands — NPS/Rhodes Smartt · Capitol Reef — NPS Photo · Carlsbad Caverns — NPS / Michael Larson · Channel Islands — NPS (via Wikimedia Commons) (Public domain) · Congaree — NPS · Crater Lake — NPS Photo · Cuyahoga Valley — NPS Photo / D.J. Reiser · Death Valley — NPS · Denali — NPS Photo / Nathan Kostegian · Dry Tortugas — NPS Photo / Brett Seymour · Everglades — NPS Photo by Miguel Salas · Gates of the Arctic — NPS Photo / Sean Tevebaugh · Gateway Arch — NPS Photo/Sue Ford · Glacier — NPS Photo · Glacier Bay — NPS / T. VandenBerg · Grand Canyon — NPS/M. Quinn · Grand Teton — NPS Photo/Tobiason · Great Basin — NPS Photo · Great Sand Dunes — NPS/Patrick Myers · Great Smoky Mountains — NPS / Bob Carr · Guadalupe Mountains — NPS/Bieri · Haleakalā — NPS · Hawaiʻi Volcanoes — NPS Photo · Hot Springs — NPS photo · Indiana Dunes — NPS Photo · Isle Royale — NPS Photo / Paul Brown · Joshua Tree — NPS / Emily Hassell · Katmai — NPS/David Jacob · Kenai Fjords — NPS Photo, S. Rainone · Kings Canyon — NPS/Rick Cain · Kobuk Valley — NPS Photo · Lake Clark — NPS Photo / James Kramer · Lassen Volcanic — NPS Photo / Scott Arnaz · Mammoth Cave — NPS Photo / J. Cooper · Mesa Verde — NPS Photo · Mount Rainier — NPS Photo / E. Brouwer · New River Gorge — NPS photo/Louise McLaughlin · North Cascades — NPS Photo/D.Dixon · Olympic — NPS Photo/Jon Preston · Petrified Forest — NPS Photo · Pinnacles — National Park Service/Oscar Garcia · Redwood — NPS Photo / Steve Olson · Rocky Mountain — NPS/J.Marino · Saguaro — NPS Photo · Sequoia — NPS/Paul Johnson · Shenandoah — NPS Photo / Neal Lewis · Theodore Roosevelt — NPS Photo / Mark Meyers · Virgin Islands — NPS Photo · Voyageurs — NPS Photo / Daniel Dendler · White Sands — NPS Photo · Wind Cave — NPS Photo · Wrangell–St. Elias — NPS Photo/ Neal Herbert · Yellowstone — NPS / Jacob W. Frank · Yosemite — NPS / Cindy Jacoby · Zion — NPS Photo / Shane Carte. National Park Service photos are U.S. federal government works in the public domain.