Three Cornered Lake is a Lake located in Guysborough, Nova Scotia and has an elevation of 140 meters.

• Latitude: 45° 12' 37'' North   (decimal: 45.2102777)
• Longitude: 61° 55' 11'' West   (decimal: -61.9197222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Nova Scotia
• Elevation: 140 meters
• Location: Guysborough
• Atlas of Canada Locator Map: Three Cornered Lake
• GPS Coordinate Locator Map: Three Cornered Lake Lat/Long