Barrage de L'Isle-Maligne is a Hydraulic construction located in Alma; Lac-Saint-Jean-Est, Quebec.

• Latitude: 48° 34' 38'' North   (decimal: 48.5772689)
• Longitude: 71° 38' 4'' West   (decimal: -71.6345493)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Alma; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Barrage de L'Isle-Maligne
• GPS Coordinate Locator Map: Barrage de L'Isle-Maligne Lat/Long