Lac Troïlus is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 382 meters.

• Latitude: 50° 53' 58'' North   (decimal: 50.8994444)
• Longitude: 74° 33' 21'' West   (decimal: -74.5558333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 382 meters
• Location: Baie-James; Jamésie
• GPS Coordinate Locator Map: Lac Troïlus Lat/Long