Le Gros Lac is a Lake located in Portneuf; Portneuf, Quebec and has an elevation of 203 meters.

• Latitude: 46° 51' 20'' North   (decimal: 46.8555555)
• Longitude: 72° 7' 31'' West   (decimal: -72.1252777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 203 meters
• Location: Portneuf; Portneuf
• Atlas of Canada Locator Map: Le Gros Lac
• GPS Coordinate Locator Map: Le Gros Lac Lat/Long