Lac des Psylles is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 432 meters.

• Latitude: 49° 44' 28'' North   (decimal: 49.7411111)
• Longitude: 74° 0' 41'' West   (decimal: -74.0113889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 432 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac des Psylles
• GPS Coordinate Locator Map: Lac des Psylles Lat/Long