Grand Canyon, by the numbers

By Scott Thybony

Flagstaff, AZ – It's a mile deep. Nearly 300 miles long by one measure. And 4 and a half million people visit every year. But numbers can never do the Grand Canyon justice. Here's Flagstaff writer and commentator Scott Thybony.

Scott Thybony is a Flagstaff based writer. His Grand Canyon commentaries are funded by the Grand Canyon Association, supporting education and scientific research for Grand Canyon National Park since 1932. On the web at Grand Canyon dot org.