The Nashoba Valley is an area in northwestern Middlesex and northeastern Worcester Counties, Massachusetts, located around the interchange of Interstate 495 and Massachusetts Route 2.
At one point, Littleton, Massachusetts, was known as the Praying Indian town of Nashoba. The hill that today is Nashoba Valley Ski Area is called Nashoba Hill.
There is no precise definition, but the following towns generally consider themselves in the Nashoba Valley: