Description
117 miles long. Heads in NH, formed by the confluence of the Pemiqewasset and Winnipesaukee Rivers, flows SSE and ENE to the Atlantic Ocean between the S end of Salisbury Beach and Plum Island Point; Cities of Newburyport; Haverhill, Lawrence, Lowell and Towns of Salisbury, Amesbury, West Newbury, Merrimac, South Groveland, Methuen, North Andover, Andover, Dracut, Chelmsford, and Tynsborough, MA.
History
"Merrimack " is an Indian word meaning "sound of the falls," (MGB 1932) Sturgeon, or swift water (Steel) (Douglas-Lithgow 1909).