Lac Grans is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 498 meters.

• Latitude: 48° 57' 48'' North   (decimal: 48.9633333)
• Longitude: 73° 49' 53'' West   (decimal: -73.8313889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 498 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Grans
• GPS Coordinate Locator Map: Lac Grans Lat/Long