Lacs Montjau is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 54° 54' 42'' North   (decimal: 54.9116667)
• Longitude: 70° 54' 26'' West   (decimal: -70.9072222)
• Topography Feature Category: Lake
• Geographical Feature: Lacs
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lacs Montjau
• GPS Coordinate Locator Map: Lacs Montjau Lat/Long