Lac de Roche is a Lake located in Ferland-et-Boilleau; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 8' 1'' North   (decimal: 48.1336111)
• Longitude: 70° 56' 52'' West   (decimal: -70.9477778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Ferland-et-Boilleau; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac de Roche
• GPS Coordinate Locator Map: Lac de Roche Lat/Long