Travelers are voting Conowingo Dam and Liberty Reservoir as the best dams near Baltimore. There are 1 dam near New Market a city just 65 km from Baltimore and 2 dams near Alexandria which is 81 km distant. The most popular of these are Liberty Reservoir near New Market and Occoquan Reservoir in Alexandria. You can find 2 dams in Maryland and 139 dams in the country of United States. Our members favorite in Maryland is Conowingo Dam and Hoover Dam is the top pick in United States. Want more? Check out our map of dams near Baltimore.