Lac Foster is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 454 meters.

• Latitude: 49° 9' 23'' North   (decimal: 49.1563889)
• Longitude: 69° 26' 55'' West   (decimal: -69.4486111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 454 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Foster
• GPS Coordinate Locator Map: Lac Foster Lat/Long