Lac Gilles is a Lake located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 46° 32' 39'' North   (decimal: 46.5441667)
• Longitude: 76° 23' 50'' West   (decimal: -76.3972222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Gilles
• GPS Coordinate Locator Map: Lac Gilles Lat/Long