Grand lac Germain is a Lake located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 521 meters.

• Latitude: 51° 12' 6'' North   (decimal: 51.2016667)
• Longitude: 66° 39' 46'' West   (decimal: -66.6627778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 521 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Grand lac Germain
• GPS Coordinate Locator Map: Grand lac Germain Lat/Long