Lac Voisin is a Lake located in Lac-Walker; Sept-Rivières, Quebec.

• Latitude: 50° 5' 42'' North   (decimal: 50.0950425)
• Longitude: 67° 18' 28'' West   (decimal: -67.3077075)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Voisin
• GPS Coordinate Locator Map: Lac Voisin Lat/Long