Definition of Appalachian trail conservancy

The Appalachian Trail Conservancy (ATC) (formerly Appalachian Trail Conference) is a nonprofit organization dedicated to the conservation of the Appalachian Trail, which runs from Maine to Georgia. The Conference works to protect the trail's 2,175 miles (3,500 km), 250,000-acre (1,000 km²) greenway, and coordinates the work of some thirty hiking clubs performing trail maintenance.