Lac Saint-Louis is a Lake located in Sainte-Marguerite¿Estérel; Les Pays-d'en-Haut, Quebec and has an elevation of 425 meters.

• Latitude: 46° 4' 44'' North   (decimal: 46.0788888)
• Longitude: 74° 7' 49'' West   (decimal: -74.1302778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 425 meters
• Location: Sainte-Marguerite¿Estérel; Les Pays-d'en-Haut
• Atlas of Canada Locator Map: Lac Saint-Louis
• GPS Coordinate Locator Map: Lac Saint-Louis Lat/Long