Potomac Appalachian Trail Club		Maryland Outdoor Club
The Appalachian Trail Home Page		Northern Virginia Hiking Club
Hiking and Walking Homepage		Capital Hiking Club
York Hiking Club		National Parks
Chesapeake Hiking and Outdoors Society (based in Annapolis)		Pennsylvania North Country Scenic Trail
Tennessee Eastman Hiking and Canoeing Club		Susquehanna Appalachian Trail Club
Keystone Trails Association		Cumberland Valley Appalachian Trail Club
Maryland Outdoors		Appalachian Trail Conference
Mid-Atlantic Hikes
Mtnguide.org