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
Lake Champlain of the 1812-era fort with a massive new Third System masonry fortification, known as Fort Montgomery. Portions of this fort are still standing. In the early 19th century, the construction of the Champlain Canal connected Lake Champlain to the Hudson River system, allowing north-south commerce by water from New York City to Montreal and Atlantic Canada. In 1909, 65,000 people celebrated the 300th anniversary of the French discovery of the lake. Attending dignitaries included President William Howard Taft, along with representatives from France, Canada, and the United Kingdom. In 1929, then-New York Governor Franklin Roosevelt and Vermont Governor John Weeks