Travelers are voting Liberty Reservoir and Conowingo Dam as the best dams near Baltimore. There are 1 dam near New Market a city just 35 km from Baltimore and 2 dams near Alexandria which is 40 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 138 dams in the country of United States. Our members favorite in Maryland is Liberty Reservoir and Hoover Dam is the top pick in United States. Want more? Check out our map of dams near Baltimore.