Lac Thaddée is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 183 meters.

• Latitude: 48° 20' 43'' North   (decimal: 48.3453015)
• Longitude: 69° 53' 26'' West   (decimal: -69.8906112)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 183 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Thaddée
• GPS Coordinate Locator Map: Lac Thaddée Lat/Long