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 would receive support from the Canadians upon their arrival at Quebec. This was not the case, and the rebel army struggled to take Quebec with diminishing supplies, support, and harsh northern winter weather. The Continental Army was forced to camp outside Quebec’s walls for the winter, with reinforcements from New York, Pennsylvania, Massachusetts, New Hampshire, and Connecticut allowing the soldiers to maintain their siege of the city. The reinforcements traveled hundreds of miles up the frozen Lake Champlain and St. Lawrence River, but were too late and too few to influence a successful siege of Quebec. In May 1776, with