Lac Sirois is a Lake located in Colombier; La Haute-Côte-Nord, Quebec and has an elevation of 82 meters.

• Latitude: 48° 51' 9'' North   (decimal: 48.8525336)
• Longitude: 68° 56' 48'' West   (decimal: -68.9467145)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 82 meters
• Location: Colombier; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Sirois
• GPS Coordinate Locator Map: Lac Sirois Lat/Long