Lac du Père-Cosaque is a Lake located in Baie-Sainte-Catherine; Charlevoix-Est, Quebec and has an elevation of 205 meters.

• Latitude: 48° 3' 48'' North   (decimal: 48.0633545)
• Longitude: 69° 52' 22'' West   (decimal: -69.8728358)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 205 meters
• Location: Baie-Sainte-Catherine; Charlevoix-Est
• Atlas of Canada Locator Map: Lac du Père-Cosaque
• GPS Coordinate Locator Map: Lac du Père-Cosaque Lat/Long