Lac Long is a Lake located in Mansfield-et-Pontefract; Pontiac, Quebec and has an elevation of 278 meters.

• Latitude: 46° 0' 7'' North   (decimal: 46.0019444)
• Longitude: 76° 42' 58'' West   (decimal: -76.7161111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 278 meters
• Location: Mansfield-et-Pontefract; Pontiac
• Atlas of Canada Locator Map: Lac Long
• GPS Coordinate Locator Map: Lac Long Lat/Long