Lac Lassus is a Lake located in Baie-Sainte-Catherine; Charlevoix-Est, Quebec and has an elevation of 216 meters.

• Latitude: 48° 7' 21'' North   (decimal: 48.1225213)
• Longitude: 69° 49' 34'' West   (decimal: -69.8261678)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 216 meters
• Location: Baie-Sainte-Catherine; Charlevoix-Est
• Atlas of Canada Locator Map: Lac Lassus
• GPS Coordinate Locator Map: Lac Lassus Lat/Long