Lac Blackburn is a Lake located in Bégin; Le Fjord-du-Saguenay, Quebec and has an elevation of 252 meters.

• Latitude: 48° 45' 6'' North   (decimal: 48.7516667)
• Longitude: 71° 17' 56'' West   (decimal: -71.2988888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 252 meters
• Location: Bégin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Blackburn
• GPS Coordinate Locator Map: Lac Blackburn Lat/Long