Smudge Lake is a Lake located in Rainy River, Ontario and has an elevation of 418 meters.

• Latitude: 48° 39' 1'' North   (decimal: 48.6502777)
• Longitude: 91° 42' 36'' West   (decimal: -91.7100000)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 418 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Smudge Lake
• GPS Coordinate Locator Map: Smudge Lake Lat/Long