Lac des Sésies is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 422 meters.

• Latitude: 49° 11' 51'' North   (decimal: 49.1975)
• Longitude: 73° 39' 50'' West   (decimal: -73.6638889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 422 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac des Sésies
• GPS Coordinate Locator Map: Lac des Sésies Lat/Long