La Grande Tourelle is a Island located in Sainte-Anne-des-Monts; La Haute-Gaspésie, Quebec.

• Latitude: 49° 9' 21'' North   (decimal: 49.1558775)
• Longitude: 66° 25' 45'' West   (decimal: -66.4291249)
• Topography Feature Category: Island
• Geographical Feature: Rocher
• Canadian Province/Territory: Quebec
• Location: Sainte-Anne-des-Monts; La Haute-Gaspésie
• Atlas of Canada Locator Map: La Grande Tourelle
• GPS Coordinate Locator Map: La Grande Tourelle Lat/Long