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
Hurden ship canal Hurden ship canal The Hurden ship canal () is a long canal in the Swiss canton of Schwyz. It connects the lower section of Lake Zürich with the upper section, sometimes called the "Obersee", permitting shipping services on the lake to pass between the two halves of the lake without passing through the shallows, and under the low bridges, of the Seedamm. The canal was opened in 1943, and cuts through the base of the peninsular containing the village of Hurden, thus placing the centre of the village on an artificial island. The canal is spanned by the "Sternenbrücke", which