Lac Rosaire is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec.

• Latitude: 49° 36' 37'' North   (decimal: 49.6102778)
• Longitude: 67° 52' 2'' West   (decimal: -67.8672222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Rosaire
• GPS Coordinate Locator Map: Lac Rosaire Lat/Long