Lac du Sillon is a Lake located in Lac-Moncouche; Lac-Saint-Jean-Est, Quebec and has an elevation of 492 meters.

• Latitude: 47° 57' 58'' North   (decimal: 47.9661111)
• Longitude: 72° 2' 30'' West   (decimal: -72.0416667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 492 meters
• Location: Lac-Moncouche; Lac-Saint-Jean-Est
• Atlas of Canada Locator Map: Lac du Sillon
• GPS Coordinate Locator Map: Lac du Sillon Lat/Long