Blay Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 421 meters.

• Latitude: 49° 17' 45'' North   (decimal: 49.2958333)
• Longitude: 87° 59' 30'' West   (decimal: -87.9916666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 421 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Blay Lake
• GPS Coordinate Locator Map: Blay Lake Lat/Long