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
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