Lac Sirois is a Lake located in Rivière-Saint-Jean; La Côte-de-Gaspé, Quebec and has an elevation of 423 meters.

• Latitude: 48° 48' 15'' North   (decimal: 48.8041666)
• Longitude: 65° 7' 5'' West   (decimal: -65.1180555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 423 meters
• Location: Rivière-Saint-Jean; La Côte-de-Gaspé
• Atlas of Canada Locator Map: Lac Sirois
• GPS Coordinate Locator Map: Lac Sirois Lat/Long