Marl Lake is a Lake located in Rainy River, Ontario and has an elevation of 354 meters.

• Latitude: 49° 3' 43'' North   (decimal: 49.0619444)
• Longitude: 93° 48' 9'' West   (decimal: -93.8025000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 354 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Marl Lake
• GPS Coordinate Locator Map: Marl Lake Lat/Long