The Gunpowder River is a 6.8-mile-long tidal inlet on the western side of the Chesapeake Bay in Maryland, United States. It is formed by the joining of two freshwater rivers, Gunpowder Falls and Little Gunpowder Falls.
Country: United States
State: Maryland
Cities: Middle River, Joppatowne, Towson, Cockeysville, Parkton, Lineboro