New York (state) of the state's geographic area is dominated by meadows, forests, rivers, farms, mountains, and lakes. Most of the southern part of the state rests on the Allegheny Plateau, which extends from the southeastern United States to the Catskill Mountains; the section in New York State is known as the Southern Tier. The rugged Adirondack Mountains, with vast tracts of wilderness, lie west of the Lake Champlain Valley. The Great Appalachian Valley dominates eastern New York and contains the Lake Champlain Valley as its northern half and the Hudson Valley as its southern half within the state. The Tug Hill region
New York State Route 185 final curve to the northeast, NY 185 begins to cross Lake Champlain by way of the bridge. The route ends at the Vermont state line at the bridge's midpoint, and the roadway continues into Vermont as VT 17. The Champlain Bridge was built in 1929, connecting Crown Point in New York to Chimney Point in Vermont. A short connector highway between the bridge—which connected to VT 17 in Vermont—and NY 22 in Crown Point, named Bridge Road, was originally designated as NY 347 as part of the 1930 renumbering of state highways in New York. NY 347 became part of