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
Fort Montgomery (Lake Champlain) Fort Montgomery (Lake Champlain) Fort Montgomery on Lake Champlain is the second of two American forts built at the northernmost point of the American part of the lake: a first, unnamed fort built on the same site in 1816 and Fort Montgomery built in 1844. The current massive stone fortification, the second fort, was built between 1844 and 1871 at the Canada–US border of Lake Champlain at Island Point in the village of Rouses Point, New York. Construction was begun on the first fort at this location, an octagonal structure with walls, in 1816 to protect against an attack from