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
Ticonderoga (CDP), New York the Vermont border. The community lies between Lake George and Lake Champlain on the site of a portage between the two lakes, previously guarded by historic Fort Ticonderoga. The waterway running through this portage is called the La Chute River, which drains the outflow of Lake George into Lake Champlain, and it contains a waterfall at the eastern edge of the hamlet. During the summer, a diesel-powered cable ferry connects the community to Shoreham, Vermont. The junction of New York State Route 9N, New York State Route 74, and New York State Route 22 is at the northern edge of