Lac Jacques is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 49° 32' 59'' North   (decimal: 49.5497222)
• Longitude: 68° 38' 7'' West   (decimal: -68.6352778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Jacques
• GPS Coordinate Locator Map: Lac Jacques Lat/Long