The North Bend Rail Trail is a 72-mile (116 km) rail trail in north-central and western West Virginia in the United States. It is operated by West Virginia State Parks and is part of the American Discovery Trail. Running parallel to U.S. Route 50, the rail trail extends from the community of Wolf Summit west of Clarksburg at its eastern end to I-77 near Parkersburg at its western end, passing through Harrison, Doddridge, Ritchie and Wood Counties and the towns of Salem, West Union, Pennsboro, Ellenboro and Cairo, as well as North Bend State Park and numerous unincorporated communities.