Lac Trompeur is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 348 meters.

• Latitude: 49° 2' 11'' North   (decimal: 49.0364277)
• Longitude: 69° 8' 34'' West   (decimal: -69.1428299)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 348 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Trompeur
• GPS Coordinate Locator Map: Lac Trompeur Lat/Long