Step back in time at Riley’s Lock (Lock 24), a historic gem along the C&O Canal National Historical Park that offers a glimpse into the region’s rich canal history. Located along the Potomac River near Seneca Creek, this 1830s-era lock, lock house, and aqueduct showcase the engineering ingenuity that once connected communities from Georgetown to Cumberland. Today, visitors can explore the peaceful towpath, enjoy scenic views, launch a canoe, and experience the natural beauty of the surrounding landscape. Known as a favorite spot for birdwatching, Riley’s Lock provides a unique blend of history, recreation, and wildlife viewing just beyond the water’s edge.