Roundrock Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 487 meters.

• Latitude: 48° 32' 59'' North   (decimal: 48.5497222)
• Longitude: 90° 17' 25'' West   (decimal: -90.2902777)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 487 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Roundrock Lake
• GPS Coordinate Locator Map: Roundrock Lake Lat/Long