Street Mountain (New York) Street Mountain (New York) Street Mountain is a mountain located in Essex County, New York, named after Alfred Billings Street (1811–1881), a poet and New York State Librarian. The mountain is the high point of the Street Range of the Adirondack Mountains. Street's northeast ridge is Nye Mountain. Street Mountain stands within the watershed of the Saint Lawrence River, which drains into the Gulf of Saint Lawrence. The southeast, east, and northeast slopes of Street Mtn. drain into the northern Indian Pass Brook, thence into the West Branch of the Ausable River, and Lake Champlain, thence into Canada's Richelieu River,
Lake Champlain Vermont are on the lake's western and eastern shores, respectively, and the village of Ticonderoga, New York is in the region's southern part. The Quebec portion is in the regional county municipalities of Le Haut-Richelieu and Brome-Missisquoi. There are a number of islands in the lake; the largest include Grand Isle, Isle La Motte, and North Hero, all part of Grand Isle County, Vermont. The Champlain Valley is the northernmost unit of a landform system known as the Great Appalachian Valley, which stretches between Quebec, Canada, to the north, and Alabama, US, to the south. The Champlain Valley is a