Lac du Pilier is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 414 meters.

• Latitude: 49° 30' 21'' North   (decimal: 49.5058333)
• Longitude: 73° 56' 53'' West   (decimal: -73.9480556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 414 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac du Pilier
• GPS Coordinate Locator Map: Lac du Pilier Lat/Long