Lac Mongrain is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 455 meters.

• Latitude: 48° 5' 11'' North   (decimal: 48.0863889)
• Longitude: 75° 29' 3'' West   (decimal: -75.4841667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 455 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Mongrain
• GPS Coordinate Locator Map: Lac Mongrain Lat/Long