Lac Louis is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 225 meters.

• Latitude: 49° 8' 33'' North   (decimal: 49.1425)
• Longitude: 72° 35' 33'' West   (decimal: -72.5925)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 225 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Louis
• GPS Coordinate Locator Map: Lac Louis Lat/Long