Lac Lilas is a Lake located in Mandeville; D'Autray, Quebec and has an elevation of 454 meters.

• Latitude: 46° 32' 0'' North   (decimal: 46.5333680)
• Longitude: 73° 28' 13'' West   (decimal: -73.4704119)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 454 meters
• Location: Mandeville; D'Autray
• Atlas of Canada Locator Map: Lac Lilas
• GPS Coordinate Locator Map: Lac Lilas Lat/Long