Saddleback Mountain (Keene, New York) Saddleback Mountain (Keene, New York) Saddleback Mountain is a mountain located in Essex County, New York. The mountain is part of the Great Range of the Adirondack Mountains. The long summit ridge has peaks at each end with a pronounced dip between, giving it the profile of a saddle. Saddleback Mtn. is flanked to the southwest by Basin Mountain, and to the east by Gothics. Saddleback 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.
Lake Champlain physiographic section of the larger Saint Lawrence Valley, which in turn is part of the larger Appalachian physiographic division. Lake Champlain is one of numerous large lakes scattered in an arc through Labrador, in Canada, the northern United States, and the Northwest Territories of Canada. Although it is smaller than each of the Great Lakes (Ontario, Erie, Huron, Superior, and Michigan), Lake Champlain is a large body of fresh water. Approximately in area, the lake is long and across at its widest point, and has a maximum depth of approximately . The lake varies seasonally from about above mean sea