Lac des Trois Îles is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 361 meters.

• Latitude: 50° 15' 33'' North   (decimal: 50.2591667)
• Longitude: 75° 9' 42'' West   (decimal: -75.1616667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 361 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac des Trois Îles
• GPS Coordinate Locator Map: Lac des Trois Îles Lat/Long