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
Fort Montgomery (Lake Champlain) Fort Montgomery (Lake Champlain) Fort Montgomery on Lake Champlain is the second of two American forts built at the northernmost point of the American part of the lake: a first, unnamed fort built on the same site in 1816 and Fort Montgomery built in 1844. The current massive stone fortification, the second fort, was built between 1844 and 1871 at the Canada–US border of Lake Champlain at Island Point in the village of Rouses Point, New York. Construction was begun on the first fort at this location, an octagonal structure with walls, in 1816 to protect against an attack from