Lac Blough is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec and has an elevation of 490 meters.

• Latitude: 51° 54' 28'' North   (decimal: 51.9078452)
• Longitude: 67° 57' 51'' West   (decimal: -67.9641340)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 490 meters
• Location: Rivière-Mouchalagane; Caniapiscau
• Atlas of Canada Locator Map: Lac Blough
• GPS Coordinate Locator Map: Lac Blough Lat/Long