Unknown Lake is a Lake located in Cochrane, Ontario and has an elevation of 275 meters.

• Latitude: 49° 47' 15'' North   (decimal: 49.7874999)
• Longitude: 80° 39' 5'' West   (decimal: -80.6513888)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 275 meters
• Location: Cochrane
• Atlas of Canada Locator Map: Unknown Lake
• GPS Coordinate Locator Map: Unknown Lake Lat/Long