Lac Gilles is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 50° 47' 59'' North   (decimal: 50.7997222)
• Longitude: 77° 41' 35'' West   (decimal: -77.6930556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• GPS Coordinate Locator Map: Lac Gilles Lat/Long