Île de Bellechasse is a Island located in Berthier-sur-Mer; Montmagny, Quebec and has an elevation of 17 meters.

• Latitude: 46° 55' 54'' North   (decimal: 46.9316667)
• Longitude: 70° 46' 1'' West   (decimal: -70.7669444)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 17 meters
• Location: Berthier-sur-Mer; Montmagny
• Atlas of Canada Locator Map: Île de Bellechasse
• GPS Coordinate Locator Map: Île de Bellechasse Lat/Long