Troisième lac Busby is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec.

• Latitude: 47° 0' 52'' North   (decimal: 47.0145021)
• Longitude: 75° 16' 4'' West   (decimal: -75.2676818)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Douaire; Antoine-Labelle
• Atlas of Canada Locator Map: Troisième lac Busby
• GPS Coordinate Locator Map: Troisième lac Busby Lat/Long