This canal is known as the second longest in the world and its main tributary being the Canandaigua Outlet, what canal am i speaking of?
Canandaigua Outlet The Canandaigua Outlet is a main tributary which feeds the Erie Canal and Clyde River in Wayne County, New York, United States. It begins at Canandaigua Lake in nearby Ontario County and flows approximately 34 mi north before emptying into the Erie Canal in the hamlet of Lyons. A number of tributaries feed the Canandaigua Outlet along its route. It is the primary outflow for Canandaigua Lake.
Cayuga Lake Cayuga Lake ( or )  is the longest of central New York's glacial Finger Lakes, and is the second largest in surface area (marginally smaller than Seneca Lake) and second largest in volume. It is just under 40 mi long. Its average width is 1.7 miles (2.7 km), and it is 3.5 mi at its widest point near Aurora. It is approximately 435 ft at its deepest point.