On our way to nearby Rocklands Farm Winery, we met another family at Riley's Lock for the kids to get more energy out. There's a parking lot near the historic lock and aqueduct. Along the C&O...
Riley's Lock
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Riley's Lock in Poolesville, MD is a historic site located at mile 22.7 of the C&O Canal, known for its unique engineering marvel. Built in 1832, it is the only structure along the canal that serves as both a lift lock and an aqueduct, allowing boats to cross Seneca Creek while changing elevation. Visitors can marvel at the hand-built red sandstone exterior of the lockhouse and explore the site's rich history through guided tours.
Surrounded by the scenic Potomac River and Seneca Creek, Riley's Lock offers a glimpse into the challenges faced by the lockkeeper families who lived there, contending with flooding and maintaining the canal. Today, tourists can take a break at Lock 24 before continuing their journey upstream, immersing themselves in the fascinating stories of the past. Don't miss the opportunity to visit this remarkable engineering feat and experience the beauty of Riley's Lock in person.
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Reviews
Great place to walk or bike on the canal or boat on the river. Picnic area, plenty of parking, port a potties, and boat ramp. Beautiful view across the river and cute lock house.
Amazing place to launch a canoe or kayak from! Plenty of parking, and there is a special canoe/kayak launch area that is super easy.





