Black Mountain (Washington County, New York) Black Mountain (Washington County, New York) Black Mountain is a mountain located in Washington County, New York, of which its peak is the highest point. Isolated from the rest of the Adirondack Mountains by Lake George, Black Mtn. has the seventh highest topographic prominence of all the mountains in New York. Black Mountain stands within the watershed of Lake Champlain, thence into Canada's Richelieu River, the Saint Lawrence River, and into the Gulf of Saint Lawrence. The northwest and south sides of Black Mtn. drain into Lake George, thence into La Chute River, and Lake Champlain. The northeast side of
Champlain and St. Lawrence Railroad Champlain and St. Lawrence Railroad The Champlain and St. Lawrence Railroad (C&SL) was a historic railway in Lower Canada, the first Canadian public railway and one of the first railways built in British North America. The C&SL was financed by Montreal entrepreneur and brewery owner, John Molson. It was intended as a portage road to connect the St. Lawrence River valley with Lake Champlain, cutting time from the trip between Montreal and New York. Construction began in January, 1835 when surveyors determined the line would run from St. John on the Richelieu River to the nearest point on the St.