Lac Gilles is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 685 meters.

• Latitude: 55° 5' 34'' North   (decimal: 55.0928824)
• Longitude: 67° 14' 53'' West   (decimal: -67.2481764)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 685 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac Gilles
• GPS Coordinate Locator Map: Lac Gilles Lat/Long