Mount Holly is a town in Rutland County, of the Rutland-Killington region and has more named villages than many others twice the size. Once known as Mechanicsville for the large number of mills and manufacturing concerns there, the most central village is now known as Belmont. Other villages in the town include: Bowlsville, Goodellville, Healdville, Hortonville, and Tarbellville.

A location between Healdville and the village of Mount Holly known as Summit (sometimes Summit Station) is where the final spike was driven into the Central Vermont Railway line linking Burlington and Boston.

Some notable people from the area include: Julian Cook, a U.S. Army officer in World War II; Horatio Earle, creator of the world's first mile of concrete road; and Hannah Teter, an Olympic snowboarder.