Welland Canal and crossings are numbered from north to south. The following illustration depicts the profile of the Welland Canal. The horizontal axis is the length of the canal. The vertical axis is the elevation of the canal segments above mean sea level. If assigned by the St. Lawrence Seaway Authority. The original bridges across the fourth canal were numbered in order. Numbering was not changed as bridges were removed. Welland Canal The Welland Canal is a ship canal in Ontario, Canada, connecting Lake Ontario and Lake Erie. It forms a key section of the St. Lawrence Seaway. Traversing the Niagara Peninsula
Welland paved. The trail follows alongside the Welland ship and Recreational Canals, and passes through downtown Welland. The Welland Canal, linking Lake Ontario with Lake Erie, is the transportation mode that Welland is best known for. Until 1972, the canal passed through downtown Welland. As of the end of the 1972 shipping season, the canal was re-routed via the Welland Canal Bypass east of the city. Welland clings to its canal heritage, as evidenced by the steadfast preservation of the Main Street Lift Bridge (Welland Canal, bridge 13) shown in the photograph above. Highway 406 is the main route in and