Travelers are voting Wachusett Reservoir as the best dam near Ashburnham. There are 1 dam near Lowell a city just 30 km from Ashburnham and 2 dams near Auburn which is 32 km distant. The most popular of these are Wachusett Reservoir near Lowell and Quabbin Reservoir in Auburn. You can find 2 dams in Massachusetts and 138 dams in the country of United States. Our members favorite in Massachusetts is Wachusett Reservoir and Hoover Dam is the top pick in United States. Want more? Check out our map of dams near Ashburnham.