Lac Gillies is a Lake located in Mansfield-et-Pontefract; Pontiac, Quebec and has an elevation of 228 meters.

• Latitude: 46° 3' 27'' North   (decimal: 46.0575564)
• Longitude: 76° 47' 54'' West   (decimal: -76.7983249)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 228 meters
• Location: Mansfield-et-Pontefract; Pontiac
• Atlas of Canada Locator Map: Lac Gillies
• GPS Coordinate Locator Map: Lac Gillies Lat/Long