Lac Nadeau is a Lake located in Baie-Trinité; Manicouagan, Quebec and has an elevation of 145 meters.

• Latitude: 49° 23' 53'' North   (decimal: 49.3981020)
• Longitude: 67° 28' 3'' West   (decimal: -67.4674971)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 145 meters
• Location: Baie-Trinité; Manicouagan
• Atlas of Canada Locator Map: Lac Nadeau
• GPS Coordinate Locator Map: Lac Nadeau Lat/Long