Lac à Gilles is a Lake located in Saint-Hilarion; Charlevoix, Quebec.

• Latitude: 47° 34' 33'' North   (decimal: 47.5758333)
• Longitude: 70° 20' 42'' West   (decimal: -70.345)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Location: Saint-Hilarion; Charlevoix
• Atlas of Canada Locator Map: Lac à Gilles
• GPS Coordinate Locator Map: Lac à Gilles Lat/Long