Lac Duchesne is a Lake located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 358 meters.

• Latitude: 49° 49' 14'' North   (decimal: 49.8206014)
• Longitude: 67° 25' 4'' West   (decimal: -67.4177343)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 358 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Duchesne
• GPS Coordinate Locator Map: Lac Duchesne Lat/Long