Surprise Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 386 meters.

• Latitude: 50° 17' 17'' North   (decimal: 50.2880555)
• Longitude: 89° 38' 20'' West   (decimal: -89.6388888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 386 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Surprise Lake
• GPS Coordinate Locator Map: Surprise Lake Lat/Long