The Geology of Bighorn Canyon is a 12 minute film that gives you an in-depth look at how "The Grandest Canyon in the Northern Rockies" was created. This film was produced in a cooperative effort between the National Park Service and Montana State University.
Did You Know?
Over the past 65 million years, with a dramatic increase the last 5 million years, 5800 to 7500 feet of rock layers have eroded off the top of Bighorn Canyon. More...