How well do you know the national parks of the Southwest? — QUIZ

By KATHERINE WEBSTER REVIEWJOURNAL.COM

8 years ago

A view of Great Basin National Park is shown on Monday, Aug. 15, 2016. (Chase Stevens/Las Vegas Review-Journal) Follow @csstevensphoto

The National Park Service turns 100 Thursday, and park sites across the region are celebrating with free admission, including Zion National Park. (Chase Stevens/Las Vegas Review-Journal)

The National Park Service marks its 100th year on Aug. 25. It was created by an act signed by President Woodrow Wilson in 1916.

The system, which includes 412 areas, saw more than 307 million visitors in 2015.

So how much do you know about national parks in the Southwest United States?

Take the quiz below to find out!