Big Dawson Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 338 meters.

• Latitude: 49° 43' 40'' North   (decimal: 49.7277999)
• Longitude: 88° 0' 0'' West   (decimal: -88.0000000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 338 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Big Dawson Lake
• GPS Coordinate Locator Map: Big Dawson Lake Lat/Long