Lonely Island Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 322 meters.

• Latitude: 48° 51' 14'' North   (decimal: 48.8538888)
• Longitude: 87° 32' 4'' West   (decimal: -87.5344444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 322 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Lonely Island Lake
• GPS Coordinate Locator Map: Lonely Island Lake Lat/Long