Grenville Island is a Island located in Kenora, Ontario and has an elevation of 374 meters.

• Latitude: 49° 44' 36'' North   (decimal: 49.7433333)
• Longitude: 92° 48' 56'' West   (decimal: -92.8155555)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 374 meters
• Location: Kenora
• Atlas of Canada Locator Map: Grenville Island
• GPS Coordinate Locator Map: Grenville Island Lat/Long