Lac Dean is a Lake located in Baie-Trinité; Manicouagan, Quebec and has an elevation of 179 meters.

• Latitude: 49° 28' 58'' North   (decimal: 49.4828237)
• Longitude: 67° 23' 8'' West   (decimal: -67.3855491)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 179 meters
• Location: Baie-Trinité; Manicouagan
• Atlas of Canada Locator Map: Lac Dean
• GPS Coordinate Locator Map: Lac Dean Lat/Long