Lac Ali is a Lake located in Rivière-Koksoak; Kativik, Quebec.

• Latitude: 58° 18' 54'' North   (decimal: 58.3149100)
• Longitude: 70° 6' 36'' West   (decimal: -70.1098808)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Koksoak; Kativik
• GPS Coordinate Locator Map: Lac Ali Lat/Long