This unique engineering marvel along the C&O Canal is both a lift-lock and an aqueduct. Interpretive tours of the Seneca Aqueduct and surrounding canal area by historian Dr. Karen Gray. Sunday only: Guided tours of Riley’s Lockhouse, noon-4pm.
Free
Phone: 301-983-0825
2015/06/27 - 2015/06/28
Seneca Aqueduct & Riley's Lock
13025 Riley's Lock Road, Poolesville, MD 20837