 The Old National Road, now Alternate U.S. 40, passes through the Narrows, along with the former Baltimore and Ohio Railroad's main line between Baltimore/Washington and Pittsburgh, now part of the CSX system, and a former line of the Western Maryland Railroad, now used by the steam- and diesel-powered excursion trains of the Western Maryland Scenic Railroad and the Great Allegheny Passage bike trail.A prominent rocky outcropping at the south end of Wills Mountain in the Cumberland Narrows is known as Lover's Leap.Wills Mountain is capped by the erosion-resistant Silurian Tuscarora quartzite.