Potomac Appalachian Trail Club

The Potomac Appalachian Trail Club (PATC) is a volunteer organization that works to maintain hiking trails in the Washington, D.C. area of the United States. PATC was founded in 1927 to protect and develop the local section of the then new Appalachian Trail. It has expanded its mission to oversee over of trails, 47 shelters and 39 cabins in Virginia, Maryland, West Virginia, Pennsylvania and Washington, D.C. Provided by Wikipedia