The C&O Canal, or the Chesapeake and Ohio Canal, is a historic waterway that stretches 184.5 miles along the Potomac River from Washington, D.C., to Cumberland, Maryland. It was constructed between 1828 and 1850 to transport coal and other goods, playing a vital role in the economic development of the region. Today, it is part of the C&O Canal National Historical Park, which preserves its history and natural beauty. Visitors to the C&O Canal can enjoy various recreational activities, including hiking, biking, and kayaking. The canal features numerous locks, aqueducts, and historic structures, showcasing the engineering achievements of the 19th century. The park is also home to diverse wildlife and scenic landscapes, making it a popular destination for outdoor enthusiasts.