Lac de l'Écluse is a Lake located in Métabetchouan¿Lac-à-la-Croix; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 22' 28'' North   (decimal: 48.3744444)
• Longitude: 71° 53' 41'' West   (decimal: -71.8947222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Métabetchouan¿Lac-à-la-Croix; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac de l'Écluse
• GPS Coordinate Locator Map: Lac de l'Écluse Lat/Long