Petit lac Sirois is a Lake located in Rivière-Saint-Jean; La Côte-de-Gaspé, Quebec and has an elevation of 419 meters.

• Latitude: 48° 47' 11'' North   (decimal: 48.7863889)
• Longitude: 65° 6' 50'' West   (decimal: -65.1138889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 419 meters
• Location: Rivière-Saint-Jean; La Côte-de-Gaspé
• Atlas of Canada Locator Map: Petit lac Sirois
• GPS Coordinate Locator Map: Petit lac Sirois Lat/Long