Thorold lock, The Welland Canal is a ship canal in Canada that extends 42 km (26 mi) from Port Weller, Ontario, on Lake Ontario, to Port Colborne, Ontario, on Lake Erie. As a part of the St. Lawrence Seaway, this canal enables ships to ascend and descend the Niagara Escarpment and to bypass Niagara Falls. Approximately 40,000,000 tonnes of cargo are carried through the Welland Canal annually by a traffic of about 3,000 ocean and Great Lakes vessels.
Over millions of years, glacial ice, weathering, and ancient waves carved out Scenic Caves; one of Canada's 16 UNESCO biosphere reserves. Nestled in the Blue Mountains, it's a spot anyone thinking about visiting South Georgian Bay must see.