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
Lake Champlain American portion of the lake are maintained by USCG Burlington station, along with those on international Lake Memphremagog to the east. Aids to navigation on the Canadian portion of the lake are maintained by the Canadian Coast Guard. There are a number of parks in the Lake Champlain region in both New York and Vermont. Those on the New York side of the lake include: Point Au Roche State Park, which park grounds have hiking and cross country skiing trails, and a public beach; and the Ausable Point State Park. The Cumberland Bay State Park is located on Cumberland Head,