Lake Champlain level. Lake Champlain is in the Lake Champlain Valley between the Green Mountains of Vermont and the Adirondack Mountains of New York, drained northward by the -long Richelieu River into the St. Lawrence River at Sorel-Tracy, Quebec, northeast and downstream of Montreal, Quebec. It also receives the waters from the -long Lake George, so its basin collects waters from the northwestern slopes of the Green Mountains and the northernmost eastern peaks of the Adirondack Mountains. Lake Champlain drains nearly half of Vermont, and approximately 250,000 people get their drinking water from the lake. The lake is fed in Vermont by
Champlain (village), New York and 8.2% of those age 65 or over. Champlain (village), New York Champlain is a village in Clinton County, New York, United States. The population was 1,101 at the 2010 census. The village is located in the town of Champlain about west of Lake Champlain and is north of Plattsburgh. The lake and the village were named in honor of Samuel de Champlain, who first surveyed the area in 1609. It was part of Canada until 1763, and became part of the United States in 1783. Champlain was an important staging point in the War of 1812. The village was