Lac Tac is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 483 meters.

• Latitude: 49° 20' 1'' North   (decimal: 49.3336552)
• Longitude: 69° 40' 1'' West   (decimal: -69.6670283)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 483 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Tac
• GPS Coordinate Locator Map: Lac Tac Lat/Long