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
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