Mack Lake is a Lake located in Rainy River, Ontario and has an elevation of 419 meters.

• Latitude: 48° 23' 30'' North   (decimal: 48.3916666)
• Longitude: 90° 59' 48'' West   (decimal: -90.9966666)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 419 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Mack Lake
• GPS Coordinate Locator Map: Mack Lake Lat/Long