Erma Island is a Island located in Rainy River, Ontario and has an elevation of 344 meters.

• Latitude: 48° 38' 42'' North   (decimal: 48.6449999)
• Longitude: 93° 3' 12'' West   (decimal: -93.0533333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 344 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Erma Island
• GPS Coordinate Locator Map: Erma Island Lat/Long