Barrage Montjoie is a Hydraulic construction located in Lac-Ernest; Antoine-Labelle, Quebec and has an elevation of 289 meters.

• Latitude: 46° 15' 16'' North   (decimal: 46.2544444)
• Longitude: 75° 7' 32'' West   (decimal: -75.1255556)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Elevation: 289 meters
• Location: Lac-Ernest; Antoine-Labelle
• Atlas of Canada Locator Map: Barrage Montjoie
• GPS Coordinate Locator Map: Barrage Montjoie Lat/Long