Lac Mariette is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec and has an elevation of 469 meters.

• Latitude: 47° 46' 12'' North   (decimal: 47.7700000)
• Longitude: 72° 19' 52'' West   (decimal: -72.3311110)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 469 meters
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Mariette
• GPS Coordinate Locator Map: Lac Mariette Lat/Long