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.
Limpopo River The Limpopo River rises in central southern Africa, and flows generally eastwards to the Indian Ocean. The term Limpopo is the modified version of the original Sepedi name "diphororo tša meetse", meaning "gushing strong waterfalls". The river is approximately 1750 km long, with a drainage basin 415000 km2 in size. The mean discharge measured over a year is 170 m/s (6,200 cu ft/s) at its mouth. The Limpopo is the second largest river in Africa that drains to the Indian Ocean, after the Zambezi River.