Lac Dontigny is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 548 meters.

• Latitude: 49° 21' 55'' North   (decimal: 49.3653218)
• Longitude: 69° 43' 22'' West   (decimal: -69.7228666)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 548 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Dontigny
• GPS Coordinate Locator Map: Lac Dontigny Lat/Long