Lac Cirillo is a Lake located in Lac-Nilgaut; Pontiac, Quebec and has an elevation of 312 meters.

• Latitude: 46° 24' 37'' North   (decimal: 46.4103368)
• Longitude: 77° 30' 6'' West   (decimal: -77.5016868)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 312 meters
• Location: Lac-Nilgaut; Pontiac
• Atlas of Canada Locator Map: Lac Cirillo
• GPS Coordinate Locator Map: Lac Cirillo Lat/Long