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?
Erie Canal The Erie Canal is a canal in New York that is part of the east–west, cross-state route of the New York State Canal System (formerly known as the New York State Barge Canal). Originally, it ran 363 mi from Albany, on the Hudson River, to Buffalo, at Lake Erie. It was built to create a navigable water route from New York City and the Atlantic Ocean to the Great Lakes. When completed in 1825, it was the second longest canal in the world (after the Grand Canal in China) and greatly affected the development and economy of New York, New York City, and the United States.
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.