Champlain Valley southward into the Valley of Vermont. The Vermont Lowlands are primarily underlain by sedimentary rocks, especially limestone and shale, though metamorphic rocks such as marble and slate are also present. Lake Champlain is situated in the Champlain Valley between the Green Mountains of Vermont and the Adirondack Mountains of New York, drained northward by the Richelieu River into the St. Lawrence River at Sorel-Tracy, Quebec (northeast of Montreal). Major tributaries of Lake Champlain include Otter Creek and the Winooski, Missisquoi, and Lamoille rivers in Vermont, and the Ausable, Chazy, Boquet, and Saranac rivers in New York. Lake Champlain also receives
Champlain College St. Lawrence location, it also changed as an educational institution. After the Parent Report and the emergence of the present collegial system, the High School and B. A. programs were phased out, and St. Lawrence, now a CEGEP, was first affiliated with Cégep de Sainte-Foy and then, with Vanier College of Montreal. On July 1, 1972, St. Lawrence became a constituent of Champlain Regional College. In 2013, questions about the multi-regional structure and how it compares to other cegeps led to structural analysis. There is now a movement to make St. Lawrence an autonomous cégep. A similar movement is taking place at