Troisième Lac is a Lake located in Tadoussac; La Haute-Côte-Nord, Quebec and has an elevation of 180 meters.

• Latitude: 48° 10' 48'' North   (decimal: 48.1800213)
• Longitude: 69° 43' 28'' West   (decimal: -69.7244989)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 180 meters
• Location: Tadoussac; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Troisième Lac
• GPS Coordinate Locator Map: Troisième Lac Lat/Long