Lac Cadieux is a Lake located in Baie-James; Jamésie, Quebec.

• Latitude: 52° 21' 26'' North   (decimal: 52.3572222)
• Longitude: 72° 37' 56'' West   (decimal: -72.6322222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Cadieux
• GPS Coordinate Locator Map: Lac Cadieux Lat/Long