Le Grand Lac is a Lake located in Lac-Pikauba; Charlevoix, Quebec.

• Latitude: 47° 59' 14'' North   (decimal: 47.9872503)
• Longitude: 70° 33' 26'' West   (decimal: -70.5572985)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Pikauba; Charlevoix
• Atlas of Canada Locator Map: Le Grand Lac
• GPS Coordinate Locator Map: Le Grand Lac Lat/Long