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,
Champlain and St. Lawrence Railroad line. The line was extended south along the Richelieu River valley in 1851 to Rouses Point, New York and the following year saw a more direct routing built from the St. John-Laprairie line to St. Lambert, directly opposite Montreal to avoid the indirect journey up and down the St. Lawrence River from Laprairie. This latter line effectively reduced the line into Laprairie to branch line status and it would be later abandoned. The C&SL merged with the Montreal and New York Railroad in 1857, formerly known as the Montreal and Lachine Railroad, with the new company being named the Montreal