Lac des Deux Montagnes is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 646 meters.

• Latitude: 48° 59' 13'' North   (decimal: 48.9869444)
• Longitude: 69° 53' 43'' West   (decimal: -69.8952778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 646 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac des Deux Montagnes
• GPS Coordinate Locator Map: Lac des Deux Montagnes Lat/Long