The Soulanges Canal is an abandoned shipping canal in Quebec, Canada. It follows the north shore of the Saint Lawrence River between Pointe-des-Cascades and Coteaux-Landing, bypassing the rapids between Lake Saint-Louis and Lake Saint-Francis. In between, it passes through the towns of Les Cèdres and Coteau-du-Lac. It superseded the first Beauharnois Canal which was on the south shore of the Saint Lawrence. It is 23 kilometers (14 mi) long and had a 4.3-meter (14.1 ft) draught. Five locks measuring 85.3 m × 14 m (279.9 ft × 45.9 ft) give a total rise of 25 meters (82 ft).
Operation of the Soulanges Canal was powered by a small hydro electric generating station. "Le Petit Pouvoir" is located near the middle of the canal and provided power for the motorized lock gates, electrical operation of the swing bridges, and illumination for the entire length of the canal at night. It was the first canal in the world to have its entire passageway lit by night, allowing round-the-clock operation. It opened in 1899 and remained in operation until 1958 when it was in turn superseded by an enlarged Beauharnois Canal which is now part of the Saint Lawrence Seaway.
Today, a popular cycling path follows the route of the canal. In the past there have been plans to reopen the canal to pleasure boats but these have not materialized.
On May 22, 1974, five college women were killed when their car was hit by another, and they were pushed into the canal. Four of the women were students at Potsdam State College in Potsdam, NY. The other was a student at Albany State College in Albany, NY.
- Lachine Canal
- A photo collection of the Soulanges Canal in use: http://stlawrencepiks.com/seawayhistory/beforeseaway/soulanges/
- "Canal de Soulanges" (in French). Commission de toponymie du Québec. Retrieved 2009-02-02.
- "A Fascinating History". Musée des Deux-Rives (English). Retrieved 2007-10-18.
- "Montérégie Cycling Trails: Soulanges Canal". MontrealPlus.ca. Archived from the original on 2012-02-12. Retrieved 2007-10-18.
- "Classmates Pallbearers for Sisters" (PDF). Massena Observer. Retrieved 2018-01-17.
Media related to Soulanges Canal at Wikimedia Commons
- Soulanges Canal at the Canadian Canal Society
- Sébastien Daviau et Édith Prégent. Le canal de Soulanges (1899-1958) : une aventure technologique et humaine - exposition virtuelle du Musée régional de Vaudreuil-Soulanges 
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