Lac Gralas is a Lake located in Réservoir-Dozois; Vallée-de-l'Or, Quebec and has an elevation of 366 meters.

• Latitude: 47° 15' 48'' North   (decimal: 47.2633333)
• Longitude: 77° 3' 11'' West   (decimal: -77.0530556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 366 meters
• Location: Réservoir-Dozois; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac Gralas
• GPS Coordinate Locator Map: Lac Gralas Lat/Long