Lac Gilles is a Lake located in La Tuque; Le Haut-Saint-Maurice, Quebec.

• Latitude: 47° 46' 3'' North   (decimal: 47.7675)
• Longitude: 74° 22' 43'' West   (decimal: -74.3786111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Lac Gilles
• GPS Coordinate Locator Map: Lac Gilles Lat/Long