Lacs Frère et Soeur is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 38' 32'' North   (decimal: 50.6423060)
• Longitude: 69° 16' 41'' West   (decimal: -69.2781268)
• Topography Feature Category: Lake
• Geographical Feature: Lacs
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lacs Frère et Soeur
• GPS Coordinate Locator Map: Lacs Frère et Soeur Lat/Long