Lac Antoinette is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 345 meters.

• Latitude: 49° 40' 6'' North   (decimal: 49.6683333)
• Longitude: 75° 26' 26'' West   (decimal: -75.4405556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 345 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Antoinette
• GPS Coordinate Locator Map: Lac Antoinette Lat/Long