Sly Lake is a Lake located in Rainy River, Ontario and has an elevation of 395 meters.

• Latitude: 48° 31' 5'' North   (decimal: 48.5180555)
• Longitude: 92° 4' 10'' West   (decimal: -92.0694444)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 395 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Sly Lake
• GPS Coordinate Locator Map: Sly Lake Lat/Long