Includes the most comprehensive map available of the Great Allegheny Passage from Pittsburgh to D.C., plus information and maps of key towns along the trail. TrailBook is designed to give trail users the information they need on the businesses and services available along the trail. The updated, 18x24, weatherproof, full-color map is folded into a pocket. Now covering the Great Allegheny Passage and the full length of the C&O Canal National Historical Park Towpath. Includes 200 pages of trail information & an 18x24 vinyl map, the most complete map available of the combined trails.