Blackett Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 335 meters.

• Latitude: 50° 27' 50'' North   (decimal: 50.4638888)
• Longitude: 88° 45' 16'' West   (decimal: -88.7544444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 335 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Blackett Lake
• GPS Coordinate Locator Map: Blackett Lake Lat/Long