Big Island is a Island located in Renfrew, Ontario and has an elevation of 269 meters.

• Latitude: 45° 9' 46'' North   (decimal: 45.1627777)
• Longitude: 77° 2' 5'' West   (decimal: -77.0347222)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 269 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Big Island
• GPS Coordinate Locator Map: Big Island Lat/Long