Armstrong Mountain (Keene Valley, New York) Armstrong Mountain (Keene Valley, New York) Armstrong Mountain is a mountain located in Essex County, New York, named after Thomas Armstrong, a local pioneer. The mountain is part of the Great Range of the Adirondack Mountains. Armstrong Mtn. is flanked to the southwest by Gothics, and to the northeast by Upper Wolfjaw Mountain. Armstrong Mountain stands within the watershed of the East Branch of the Ausable River, which drains into Lake Champlain, thence into Canada's Richelieu River, the Saint Lawrence River, and into the Gulf of Saint Lawrence. The east side of Armstrong Mtn. drains into the East Branch of
Champlain Valley Champlain Valley The Champlain Valley is a region of the United States around Lake Champlain in Vermont and New York extending north slightly into Quebec, Canada. It is part of the St. Lawrence River drainage basin, drained northward by the Richelieu River into the St. Lawrence at Sorel-Tracy, Quebec (northeast of Montreal). The Richelieu valley is not generally referred to as part of the Champlain Valley. The Champlain Lake Valley is the most heavily populated region in Vermont, broadly stretching eastward from the lake's shore to the base of the Green Mountains. The state's largest city, Burlington is located on