Twinhouse Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 494 meters.

• Latitude: 48° 22' 10'' North   (decimal: 48.3694444)
• Longitude: 90° 51' 25'' West   (decimal: -90.8569444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 494 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Twinhouse Lake
• GPS Coordinate Locator Map: Twinhouse Lake Lat/Long