Lac La Grange is a Lake located in Rivière-Koksoak; Kativik, Quebec and has an elevation of 531 meters.

• Latitude: 55° 21' 39'' North   (decimal: 55.3609390)
• Longitude: 66° 53' 57'' West   (decimal: -66.8992793)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 531 meters
• Location: Rivière-Koksoak; Kativik
• Atlas of Canada Locator Map: Lac La Grange
• GPS Coordinate Locator Map: Lac La Grange Lat/Long