Lake B is a Lake located in Thunder Bay, Ontario and has an elevation of 242 meters.

• Latitude: 48° 49' 19'' North   (decimal: 48.8219444)
• Longitude: 87° 1' 54'' West   (decimal: -87.0316666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 242 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Lake B
• GPS Coordinate Locator Map: Lake B Lat/Long