Le Grand Banc is a Shoal located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 5' 19'' North   (decimal: 50.0886612)
• Longitude: 66° 27' 57'' West   (decimal: -66.4657897)
• Topography Feature Category: Shoal
• Geographical Feature: Banc de pêche
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• GPS Coordinate Locator Map: Le Grand Banc Lat/Long