Île Big-John is a Island located in Rivière-Bonaventure; Bonaventure, Quebec and has an elevation of 114 meters.

• Latitude: 48° 28' 35'' North   (decimal: 48.4763888)
• Longitude: 66° 2' 41'' West   (decimal: -66.0447221)
• Topography Feature Category: Island
• Geographical Feature: Île / Ile
• Canadian Province/Territory: Quebec
• Elevation: 114 meters
• Location: Rivière-Bonaventure; Bonaventure
• Atlas of Canada Locator Map: Île Big-John
• GPS Coordinate Locator Map: Île Big-John Lat/Long