Lac du Grand Portage is a Lake located in Petit-Mécatina; Minganie, Quebec and has an elevation of 107 meters.

• Latitude: 50° 27' 16'' North   (decimal: 50.4545109)
• Longitude: 61° 0' 10'' West   (decimal: -61.0028367)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 107 meters
• Location: Petit-Mécatina; Minganie
• Atlas of Canada Locator Map: Lac du Grand Portage
• GPS Coordinate Locator Map: Lac du Grand Portage Lat/Long