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All 63 US national park guides
For each park: whether you need a reservation to get in, entrance fees, how camping is booked, permits and lotteries, key dates and month-by-month weather from NOAA. Checked against each park's official site.
Acadia
Maine
Entry reservation: Only for Cadillac Summit Road · $35 per vehicle
Mildest weather: May to September
Plan your visit →
National Park of American Samoa
American Samoa
Entry reservation: Not required · No entrance fee
Mildest weather: July to August
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Arches
Utah
Entry reservation: Not required · $30 per vehicle
Mildest weather: March to May, October
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Badlands
South Dakota
Entry reservation: Not required · $30 per vehicle
Mildest weather: April to June, September to October
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Big Bend
Texas
Entry reservation: Not required · $30 per vehicle
Mildest weather: January to April, October to December
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Biscayne
Florida
Entry reservation: Not required · No entrance fee
Mildest weather: January to April, November to December
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Black Canyon of the Gunnison
Colorado
Entry reservation: Not required · $30 per vehicle
Mildest weather: May to September
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Bryce Canyon
Utah
Entry reservation: Not required · $35 per vehicle
Mildest weather: May to September
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Canyonlands
Utah
Entry reservation: Not required · $30 per vehicle
Mildest weather: April to June, September to October
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Capitol Reef
Utah
Entry reservation: Not required · $20 per vehicle
Mildest weather: April to May, September to October
Plan your visit →Carlsbad Caverns
New Mexico
Entry reservation: Timed entry for the cavern · $15 per person
Mildest weather: February to May, September to November
Plan your visit →
Channel Islands
California
Entry reservation: Not required · No entrance fee
Mildest weather: January to December
Plan your visit →Congaree
South Carolina
Entry reservation: Not required · No entrance fee
Mildest weather: February to May, October to November
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Crater Lake
Oregon
Entry reservation: Not required · $30 per vehicle
Mildest weather: July to September
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Cuyahoga Valley
Ohio
Entry reservation: Not required · No entrance fee
Mildest weather: May to October
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Death Valley
California, Nevada
Entry reservation: Not required · $30 per vehicle
Mildest weather: January to March, November to December
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Denali
Alaska
Entry reservation: Not required · $15 per person
Mildest weather: June to August
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Dry Tortugas
Florida
Entry reservation: Not required · $15 per person
Mildest weather: January to April, October to December
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Everglades
Florida
Entry reservation: Not required · $35 per vehicle
Mildest weather: January to March, November to December
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Gates of the Arctic
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: June to August
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Gateway Arch
Missouri
Entry reservation: Timed tram tickets · No entrance fee
Mildest weather: April to May, September to October
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Glacier
Montana
Entry reservation: Not required · $35 per vehicle
Mildest weather: May to September
Plan your visit →Glacier Bay
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: July to August
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Grand Canyon
Arizona
Entry reservation: Not required · $35 per vehicle
Mildest weather: April to October
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Grand Teton
Wyoming
Entry reservation: Not required · $35 per vehicle
Mildest weather: May to September
Plan your visit →Great Basin
Nevada
Entry reservation: Not required · No entrance fee
Mildest weather: May to October
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Great Sand Dunes
Colorado
Entry reservation: Not required · $25 per vehicle
Mildest weather: May to September
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Great Smoky Mountains
Tennessee, North Carolina
Entry reservation: Not required · No entrance fee
Mildest weather: April to October
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Guadalupe Mountains
Texas
Entry reservation: Not required · $10 per person
Mildest weather: March to May, August to November
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Haleakalā
Hawaii
Entry reservation: Sunrise reservation (3–7 am) · $30 per vehicle
Mildest weather: January, April to December
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Hawaiʻi Volcanoes
Hawaii
Entry reservation: Not required · $30 per vehicle
Mildest weather: January to December
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Hot Springs
Arkansas
Entry reservation: Not required · No entrance fee
Mildest weather: March to May, October to November
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Indiana Dunes
Indiana
Entry reservation: Not required · $25 per vehicle
Mildest weather: May to October
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Isle Royale
Michigan
Entry reservation: Not required · $7 per person per day (April 16–October
Mildest weather: June to September
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Joshua Tree
California
Entry reservation: Not required · $30 per vehicle
Mildest weather: January to April, October to December
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Katmai
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: June to August
Plan your visit →
Kenai Fjords
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: July to August
Plan your visit →
Kobuk Valley
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: July
Plan your visit →Lake Clark
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: June to August
Plan your visit →
Lassen Volcanic
California
Entry reservation: Not required · $30 per vehicle
Mildest weather: May to September
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Mammoth Cave
Kentucky
Entry reservation: Not required · No entrance fee
Mildest weather: March to May, September to November
Plan your visit →
Mesa Verde
Colorado
Entry reservation: Not required · $30 per vehicle
Mildest weather: May to June, August to October
Plan your visit →
Mount Rainier
Washington
Entry reservation: Not required · $30 per vehicle
Mildest weather: June to September
Plan your visit →
New River Gorge
West Virginia
Entry reservation: Not required · No entrance fee
Mildest weather: April to October
Plan your visit →
North Cascades
Washington
Entry reservation: Not required · No entrance fee
Mildest weather: May to September
Plan your visit →
Olympic
Washington
Entry reservation: Not required · $30 per vehicle
Mildest weather: June to September
Plan your visit →
Petrified Forest
Arizona
Entry reservation: Not required · $25 per vehicle
Mildest weather: March to May, September to October
Plan your visit →
Pinnacles
California
Entry reservation: Not required · $30 per vehicle
Mildest weather: January to May, October to December
Plan your visit →
Redwood
California
Entry reservation: Not required · No entrance fee
Mildest weather: June to October
Plan your visit →
Rocky Mountain
Colorado
Entry reservation: Timed entry (May 22–Oct 12, 2026) · $35 per vehicle
Mildest weather: May to September
Plan your visit →
Saguaro
Arizona
Entry reservation: Not required · $25 per vehicle
Mildest weather: January to April, November to December
Plan your visit →
Sequoia & Kings Canyon
California
Entry reservation: Not required · $35 per vehicle
Mildest weather: June to September
Plan your visit →
Shenandoah
Virginia
Entry reservation: Not required · $30 per vehicle
Mildest weather: April to June, August to October
Plan your visit →
Theodore Roosevelt
North Dakota
Entry reservation: Not required · $30 per vehicle
Mildest weather: May to June, September
Plan your visit →
Virgin Islands
US Virgin Islands
Entry reservation: Not required · No entrance fee
Mildest weather: January to March
Plan your visit →Voyageurs
Minnesota
Entry reservation: Not required · No entrance fee
Mildest weather: May to September
Plan your visit →
White Sands
New Mexico
Entry reservation: Not required · $25 per vehicle
Mildest weather: February to April, October to November
Plan your visit →
Wind Cave
South Dakota
Entry reservation: Not required · No entrance fee
Mildest weather: May to October
Plan your visit →Wrangell–St. Elias
Alaska
Entry reservation: Not required · No entrance fee
Mildest weather: May to August
Plan your visit →
Yellowstone
Wyoming, Montana, Idaho
Entry reservation: Not required · $35 per vehicle
Mildest weather: June to September
Plan your visit →
Yosemite
California
Entry reservation: Not required · $35 per vehicle
Mildest weather: April to June, September to October
Plan your visit →
Zion
Utah
Entry reservation: Not required · $35 per vehicle
Mildest weather: March to May, October to November
Plan your visit →Photos from Wikimedia Commons (CC BY, CC BY-SA or public domain); credits on each park page.
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