If you live in the US — or just like to be outside — you probably know about America’s national park system. In the US, there are 63 sites designated as national parks. Beyond that, there are hundreds of other sites managed by the National Park Service, like national historic sites, national forests, national lakeshores, and national wildlife preserves.

But there’s a question of how well you know the national parks, which is why we suggest putting your national park trivia knowledge to the test with the quiz below. While the questions below may start easy, they’ll eventually make you prove what you know about the history of famous parks, which parks have the smallest crowds, and exactly which states are home to which parks.

See if you have what it takes to be a national park ranger — or at least a national park trivia champion — with the questions below.

Question 1 of 20

Let's start with an easy one: in what state will you find Yosemite National Park?

Colorado
Washington
Oregon
California
Question 2 of 20

Which of the following states doesn't have a national park?

Maryland
Arkansas
Nevada
Minnesota
Question 3 of 20

Which is the US's largest national park by acreage?

Wrangell-St. Elias National Park
Gates of the Arctic National Park
Big Bend National Park
Yellowstone National Park
Question 4 of 20

Which US national park was most popular in 2021 at 14.16 million visits?

Acadia National Park
Great Smoky Mountains National Park
Rocky Mountain National Park
Yosemite National Park
Question 5 of 20

This US national park backs to Canada's Waterton Lakes National Park, which combine to form an International Peace Park.

North Cascades National Park
Acadia National Park
Voyageurs National Park
Glacier National Park
Question 6 of 20

Colorado has four national parks. What are they?

Mesa Verde, Great Basin, Black Canyon of the Gunnison, Great Sand Dunes
Mount Rainier, Great Basin, Wind Cave, Black Canyon of the Gunnison
Rocky Mountain, Wind Cave, Great Basin, Great Sand Dunes
Rocky Mountain, Black Canyon of the Gunnison, Mesa Verde, Great Sand Dunes
Question 7 of 20

Which became America's first national park under a directive from President Ulysses S. Grant?

Yosemite National Park
Yellowstone National Park
Sequoia National Park
Everglades National Park
Question 8 of 20

Which of these fabulous national parks is not in Utah?

Bryce Canyon National Park
Saguaro National Park
Capitol Reef National Park
Canyonlands National Park
Question 9 of 20

Which is America's newest national park, designated in 2020?

Kobuk Valley National Park
Cuyahoga Valley National Park
New River Gorge National Park
King's Canyon National Park
Question 10 of 20

This national park is home to the remains of the Prometheus tree, a bristlecone pine estimated to have been nearly 4,900 years old when it was cut down in the mid-20th century.

Petrified Forest National Park
Great Basin National Park
Isle Royale National Park
Redwood National Park
Question 11 of 20

Which park is 95 percent underwater?

Hawai'i Volcanoes National Park
Pinnacles National Park
Everglades National Park
Biscayne National Park
Question 12 of 20

Which of the following national parks is home to the world's longest cave system?

Mammoth Cave National Park
Wind Cave National Park
Carlsbad Caverns National Park
Crater Lake National Park
Question 13 of 20

The hottest temperature ever recorded in the US was in this national park (134 degrees Fahrenheit, 1913).

Haleakalā National Park
White Sands National Park
Death Valley National Park
Hot Springs National Park
Question 14 of 20

The lush Hoh Rainforest may look like it belongs in Costa Rica, but it's actually in this national park.

Congaree National Park
Virgin Islands National Park
Mount Rainier National Park
Olympic National Park
Question 15 of 20

Which is the most popular park in Alaska, according to NPS visitation numbers?

Denali National Park
Kenai Fjords National Park
Glacier Bay National Park
Lake Clark National Park
Question 16 of 20

Where is Lassen Volcanic National Park?

Washington
Oregon
California
Hawaii
Question 17 of 20

This park was first known as "Mukuntuweap National Monument," which is the Paiute word for "straight canyon."

Grand Canyon National Park
Mesa Verde National Park
Black Canyon of the Gunnison National Park
Zion National Park
Question 18 of 20

Back to an easy piece of national park trivia: which of these is not a national park?

Indiana Dunes National Park
Lake Tahoe National Park
Virgin Islands National Park
Badlands National Park
Question 19 of 20

Which park has the deepest lake in North America?

Crater Lake National Park
Channel Islands National Park
Great Basin National Park
Congaree National Park
Question 20 of 20

The final national park trivia question: which state has the most national parks, with nine?

Alaska
Utah
Texas
California
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