Running nearly 2,200 miles along the spine of the Appalachian Range from Georgia to Maine, the Appalachian National Scenic Trail arguably is the world's most famous long-distance trail.

Some think it's also one that can be very crowded in spots. Morgan Sommerville, the director of visitor use management for the Appalachian Trail Conservancy, joins us today to discuss the trail in general and whether it's too crowded.