The forested Green Mts. constitute the dominant physiographic
feature of Vermont. They consist of at least four distinct
groups, all traversing the state in a generally north-south
direction. Largest and most important are the Green Mts. proper,
which extend down the center of the state from the Canadian
border to the Massachusetts line, rising to Vermont's highest
peak, Mt. Mansfield (4,393 ft/1,339 m). The Taconic Mts.,
occupying the southwestern portion of the state, contain
Vermont's important marble deposits. East of the Green Mts. and
extending from the Canadian border to somewhat below the middle
of the state are the Granite Hills, so called because of their
valuable stone. The fourth group, sometimes called the Red
Sandrock Hills, extends along the Vermont shore of Lake
Champlain. In E Vermont there are also isolated peaks or
monadnocks not connected with the principal ranges. The rivers
of Vermont (the only completely inland state of New England)
flow either into the Connecticut River or into Lake Ch