Glacier National Park, which was founded in 1910, encompasses 1,013,572 acres in the state of Montana.
In 1932, the United States allied with Canada to declare that Glacier National Park and Canada's neighboring Waterton Lakes National Park would merge to become the first International Peace Park in the world. Together, the two parks encapsulate over 1,143,000 acres.
Since a square mile contains 640 acres, Glacier National Park is just over 1,583 square miles. This makes it larger than the entire state of Rhode Island.
Glacier National Park is the 12th largest national park in the country. The next largest park is Grand Canyon National Park in Arizona.
Despite its relatively large size, Glacier National Park covers just over 1 percent of Montana's 145,552 square miles.
Article Written By Tom Ryan
Tom Ryan is a freelance writer, editor and English tutor. He graduated from the University of Pittsburgh with a degree in English writing, and has also worked as an arts and entertainment reporter with "The Pitt News" and a public relations and advertising copywriter with the Carnegie Library of Pittsburgh.