Third Lake is a Lake located in Guysborough, Nova Scotia and has an elevation of 29 meters.

• Latitude: 45° 8' 44'' North   (decimal: 45.1455555)
• Longitude: 61° 57' 31'' West   (decimal: -61.9586111)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Nova Scotia
• Elevation: 29 meters
• Location: Guysborough
• Atlas of Canada Locator Map: Third Lake
• GPS Coordinate Locator Map: Third Lake Lat/Long