Gertrude Lake is a Lake located in Cochrane, Ontario and has an elevation of 240 meters.

• Latitude: 49° 42' 9'' North   (decimal: 49.7024999)
• Longitude: 82° 19' 6'' West   (decimal: -82.3183333)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 240 meters
• Location: Cochrane
• Atlas of Canada Locator Map: Gertrude Lake
• GPS Coordinate Locator Map: Gertrude Lake Lat/Long