Lac des Roches is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 50° 33' 22'' North   (decimal: 50.5561890)
• Longitude: 69° 48' 5'' West   (decimal: -69.8014982)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac des Roches
• GPS Coordinate Locator Map: Lac des Roches Lat/Long