Lac Bornais is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 425 meters.

• Latitude: 48° 59' 3'' North   (decimal: 48.9841667)
• Longitude: 74° 19' 45'' West   (decimal: -74.3291667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 425 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Bornais
• GPS Coordinate Locator Map: Lac Bornais Lat/Long