Lac des Montagnes is a Lake located in Lac-Jacques-Cartier; La Côte-de-Beaupré, Quebec.

• Latitude: 47° 40' 58'' North   (decimal: 47.6827778)
• Longitude: 71° 29' 28'' West   (decimal: -71.4911110)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Jacques-Cartier; La Côte-de-Beaupré
• GPS Coordinate Locator Map: Lac des Montagnes Lat/Long