Lac Saint-Joseph-des-Monts is a Lake located in Cantley; Les Collines-de-l'Outaouais, Quebec.

• Latitude: 45° 36' 44'' North   (decimal: 45.6121999)
• Longitude: 75° 42' 22'' West   (decimal: -75.7061000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Cantley; Les Collines-de-l'Outaouais
• GPS Coordinate Locator Map: Lac Saint-Joseph-des-Monts Lat/Long