Lac Allan is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec.

• Latitude: 49° 44' 2'' North   (decimal: 49.7338889)
• Longitude: 74° 4' 46'' West   (decimal: -74.0794444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• GPS Coordinate Locator Map: Lac Allan Lat/Long