Rocher de la Baleine is a Island located in Saint-Antoine-de-l'Isle-aux-Grues; Montmagny, Quebec.

• Latitude: 47° 8' 2'' North   (decimal: 47.1339112)
• Longitude: 70° 30' 55'' West   (decimal: -70.5153554)
• Topography Feature Category: Island
• Geographical Feature: Rocher
• Canadian Province/Territory: Quebec
• Location: Saint-Antoine-de-l'Isle-aux-Grues; Montmagny
• Atlas of Canada Locator Map: Rocher de la Baleine
• GPS Coordinate Locator Map: Rocher de la Baleine Lat/Long