Lac Rosanne is a Lake located in Rivière-Mistassini; Maria-Chapdelaine, Quebec and has an elevation of 486 meters.

• Latitude: 50° 31' 50'' North   (decimal: 50.5305556)
• Longitude: 72° 43' 13'' West   (decimal: -72.7202778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 486 meters
• Location: Rivière-Mistassini; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac Rosanne
• GPS Coordinate Locator Map: Lac Rosanne Lat/Long