Lac Cossette is a Lake located in Saint-Eugène-de-Ladrière; Rimouski-Neigette, Quebec and has an elevation of 218 meters.

• Latitude: 48° 9' 11'' North   (decimal: 48.1530864)
• Longitude: 68° 42' 37'' West   (decimal: -68.7103040)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 218 meters
• Location: Saint-Eugène-de-Ladrière; Rimouski-Neigette
• Atlas of Canada Locator Map: Lac Cossette
• GPS Coordinate Locator Map: Lac Cossette Lat/Long