Lac des Montagnes is a Lake located in Chertsey; Matawinie, Quebec.

• Latitude: 46° 4' 18'' North   (decimal: 46.0717052)
• Longitude: 73° 53' 00'' West   (decimal: -73.8832054)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Chertsey; Matawinie
• GPS Coordinate Locator Map: Lac des Montagnes Lat/Long