Lac de l'Écluse is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 49° 44' 47'' North   (decimal: 49.7463889)
• Longitude: 67° 51' 11'' West   (decimal: -67.8530556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• GPS Coordinate Locator Map: Lac de l'Écluse Lat/Long