Dorset Mountain, on the border of Rutland and Bennington counties in Vermont, is part of the Taconic Range.

Dorset Mountain was the site of an unsuccessfully proposed alpine ski resort project in the 1960s.

drains into the upper part of Otter Creek, thence into Lake Champlain, and ultimately into the Gulf of Saint Lawrence in Canada.

The southwestern slopes drain into the Mettawee River, and thence into the south bay of Lake Champlain.

The southeastern extension of Dorset's massif drains into Batten Kill, thence into the Hudson River, and into New York Harbor.