The 150-mile Great Allegheny Passage soars over valleys, snakes around mountains, and skirts alongside three rivers (the Casselman, Youghiogheny, and Monongaleha) on its nearly level path. Cyclists pass through the Cumberland Narrows, cross the Mason-Dixon

The 184.5 mile long Chesapeake & Ohio Canal is located along the north bank of the Potomac River, starting in Washington, DC and ending in Cumberland, MD. The canal was built between 1828 and 1850, and it operated