Grande baie de la Bernache is a Bay located in La Tuque; Le Haut-Saint-Maurice, Quebec.

• Latitude: 47° 53' 58'' North   (decimal: 47.8994936)
• Longitude: 73° 24' 23'' West   (decimal: -73.4065021)
• Topography Feature Category: Bay
• Geographical Feature: Baie
• Canadian Province/Territory: Quebec
• Location: La Tuque; Le Haut-Saint-Maurice
• Atlas of Canada Locator Map: Grande baie de la Bernache
• GPS Coordinate Locator Map: Grande baie de la Bernache Lat/Long