Lake Attitash is a lake located on the border of Merrimac, Massachusetts and Amesbury, Massachusetts, and constitutes at least a portion of Amesbury's water supply.
There are beach both on the Amesbury and Merrimac shore. Merrimac's beach is known as Indian Head Park. The lake was formerly known as "Kimball's Pond".
The lake is popular with seasonal tourist, as well as residents. It is normally safe for swimming. Boat are allowed on the lake.
This shallow, enlarged natural great pond has a maximum depth of and an average depth of . The shoreline is extensively developed; roads and cottages, two or three rows deep in places, virtually ring the entire lake. There are literally hundreds of boats of all types and sizes. The only significant weed beds are located in the inlet and outlet coves.
Public access for boating has been created by the Massachusetts Office of Fishing and Boating Access (formerly known as the Public Access Board) by constructing a parking lot and launching ramp. (from [www.wikipedia.org](http://www.wikipedia.org/wiki/Lake_Attitash).