Lake Saint-Louis facts for kids
Quick facts for kids Lake Saint-LouisLac Saint-Louis (French) |
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Lake St. Louis at St-Anne-de-Bellevue looking towards Île Perrot
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 Lake Saint-Louis
Lac Saint-Louis (French) Location in Quebec
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Location map
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| Location | Montérégie region, southwestern Quebec |
| Coordinates | 45°24′05″N 73°48′51″W / 45.40139°N 73.81417°W |
| Type | Natural |
| Primary inflows | Beauharnois Canal, Saint Lawrence River, Ottawa River, Saint-Charles River |
| Primary outflows | Saint Lawrence River |
| Basin countries | Canada |
| Surface elevation | 21 m (69 ft) |
| Settlements | Montreal |
Lake Saint-Louis is a lake in southwestern Quebec, Canada, at the confluence of the Saint Lawrence and Ottawa Rivers. The Saint Lawrence Seaway passes through the lake.
Lake St. Louis is a widening of the St. Lawrence River in the Hochelaga Archipelago. It is also fed by the Ottawa River via the Lake of Two Mountains at Sainte-Anne-de-Bellevue, the Beauharnois Canal, the Soulanges Canal, the St. Louis River, and the Châteauguay River.
The lake is bounded to the north and east by the Island of Montreal, by Beauharnois-Salaberry, Roussillon, and Vaudreuil-Soulanges. The town of Beauharnois with its power-dam and canal lie to the south.
The West Island shore is mostly built-up with private houses, but includes some parks and clubs such as the Pointe-Claire Canoe Club, and the Pointe-Claire Yacht Club. Islands in the lake include Dorval and Dowker Islands. Lake St. Louis is the second of three fluvial lakes on the St. Lawrence River. Upstream of it is Lake St. Francis, and downstream is Lake Saint Pierre. Its average flow is 8,400 cubic metres per second (300,000 cu ft/s).
Many species of fish are present in the lake, including yellow perch.
A small map by Samuel Champlain of 1611 names the lake. The same year, Champlain reported that a young man named Louys was drowned in what is now known as the Lachine Rapids, and in 1870 Charles-Honoré Laverdière stated that the rapids, and later the lake, were named in honour of the drowned man. A 1656 Jesuit account describes a crossing «Lac Saint Louys».
In 2014 there was a report of fecal coliform flowing into the lake from a Beaconsfield creek, and of PCBs flowing into it from a Pointe-Claire industrial site.
See also
In Spanish: Lago Saint-Louis para niños
