Lac Mandjoci is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 304 meters.

• Latitude: 49° 14' 51'' North   (decimal: 49.2475899)
• Longitude: 78° 2' 6'' West   (decimal: -78.0350387)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 304 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Mandjoci
• GPS Coordinate Locator Map: Lac Mandjoci Lat/Long