Lac de la Grande Ligne is a Lake located in Lac-Casault; La Matapédia, Quebec and has an elevation of 279 meters.

• Latitude: 48° 33' 59'' North   (decimal: 48.5663888)
• Longitude: 67° 14' 1'' West   (decimal: -67.2336110)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 279 meters
• Location: Lac-Casault; La Matapédia
• Atlas of Canada Locator Map: Lac de la Grande Ligne
• GPS Coordinate Locator Map: Lac de la Grande Ligne Lat/Long