Lac Marielle is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 442 meters.

• Latitude: 50° 34' 29'' North   (decimal: 50.5747222)
• Longitude: 72° 39' 25'' West   (decimal: -72.6569444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 442 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Marielle
• GPS Coordinate Locator Map: Lac Marielle Lat/Long