Grand lac Birchy is a Lake located in Blanc-Sablon; Basse-Côte-Nord, Quebec.

• Latitude: 51° 30' 44'' North   (decimal: 51.5122747)
• Longitude: 57° 17' 31'' West   (decimal: -57.2918435)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Blanc-Sablon; Basse-Côte-Nord
• Atlas of Canada Locator Map: Grand lac Birchy
• GPS Coordinate Locator Map: Grand lac Birchy Lat/Long