Guide Island is a Island located in Nipissing, Ontario and has an elevation of 301 meters.

• Latitude: 46° 46' 54'' North   (decimal: 46.7816666)
• Longitude: 79° 49' 38'' West   (decimal: -79.8272222)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 301 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Guide Island
• GPS Coordinate Locator Map: Guide Island Lat/Long