Lac des Molécules is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 475 meters.

• Latitude: 48° 46' 47'' North   (decimal: 48.7797222)
• Longitude: 73° 49' 8'' West   (decimal: -73.8188889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 475 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac des Molécules
• GPS Coordinate Locator Map: Lac des Molécules Lat/Long