Petit lac Dejarlais is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 307 meters.

• Latitude: 48° 48' 54'' North   (decimal: 48.815)
• Longitude: 72° 51' 47'' West   (decimal: -72.8630556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 307 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Petit lac Dejarlais
• GPS Coordinate Locator Map: Petit lac Dejarlais Lat/Long