Lac du Talweg is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 56' 29'' North   (decimal: 50.9413819)
• Longitude: 68° 4' 50'' West   (decimal: -68.0805636)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac du Talweg
• GPS Coordinate Locator Map: Lac du Talweg Lat/Long