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, New York Champlain, New York Champlain is a town in Clinton County, New York, United States. The population was 5,754 at the 2010 census. The town is located on the west shore of Lake Champlain, near the north end of the lake. The town occupies the northeast corner of Clinton County and the state of New York. Within the town are two villages: Champlain and of Rouses Point. Nearby Lake Champlain was an important military and trade route during the colonial period. The lake and the town were named in honor of Samuel de Champlain, who first surveyed the area in 1609.