Lac Stewart is a Lake located in Kuujjuaq; Kativik, Quebec.

• Latitude: 58° 10' 38'' North   (decimal: 58.1771002)
• Longitude: 68° 26' 14'' West   (decimal: -68.4372975)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Kuujjuaq; Kativik
• Atlas of Canada Locator Map: Lac Stewart
• GPS Coordinate Locator Map: Lac Stewart Lat/Long