Lac Ereaux is a Lake located in Sainte-Marguerite¿Estérel; Les Pays-d'en-Haut, Quebec.

• Latitude: 46° 3' 59'' North   (decimal: 46.0663889)
• Longitude: 74° 3' 45'' West   (decimal: -74.0625)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Sainte-Marguerite¿Estérel; Les Pays-d'en-Haut
• GPS Coordinate Locator Map: Lac Ereaux Lat/Long