Lac Stewart is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec and has an elevation of 298 meters.

• Latitude: 49° 30' 44'' North   (decimal: 49.5122222)
• Longitude: 67° 35' 8'' West   (decimal: -67.5855556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 298 meters
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Stewart
• GPS Coordinate Locator Map: Lac Stewart Lat/Long