Lac du Grand-Galop is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 49° 48' 5'' North   (decimal: 49.8013889)
• Longitude: 68° 51' 49'' West   (decimal: -68.8636111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac du Grand-Galop
• GPS Coordinate Locator Map: Lac du Grand-Galop Lat/Long