Lac du Grand Orignal is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 0' 19'' North   (decimal: 50.0053224)
• Longitude: 67° 29' 17'' West   (decimal: -67.4880040)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac du Grand Orignal
• GPS Coordinate Locator Map: Lac du Grand Orignal Lat/Long