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
New York State Route 9B in the mid-1940s to bypass Rouses Point to the west and proceed north through the village of Champlain on its way to Canada. Its former alignment to Rouses Point was redesignated as NY 9B, which initially continued north along Lake Street to the Canadian border by way of an overlap with US 11. The overlap remained in place as late as 1979; it was eliminated by 1993. New York State Route 9B New York State Route 9B (NY 9B) is a state highway located within Clinton County, New York, in the United States. The route serves as a connector between