Lac Laillier is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec and has an elevation of 403 meters.

• Latitude: 51° 54' 6'' North   (decimal: 51.9017152)
• Longitude: 69° 21' 22'' West   (decimal: -69.3560906)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 403 meters
• Location: Rivière-Mouchalagane; Caniapiscau
• Atlas of Canada Locator Map: Lac Laillier
• GPS Coordinate Locator Map: Lac Laillier Lat/Long