Lac Jacques is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 454 meters.

• Latitude: 50° 3' 26'' North   (decimal: 50.0572222)
• Longitude: 72° 46' 9'' West   (decimal: -72.7691667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 454 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Jacques
• GPS Coordinate Locator Map: Lac Jacques Lat/Long