Lac Trudeau is a Lake located in Saint-André-du-Lac-Saint-Jean; Le Domaine-du-Roy, Quebec.

• Latitude: 48° 17' 8'' North   (decimal: 48.2855556)
• Longitude: 71° 54' 42'' West   (decimal: -71.9116667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-André-du-Lac-Saint-Jean; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Trudeau
• GPS Coordinate Locator Map: Lac Trudeau Lat/Long