Lac de la Roche is a Lake located in Saint-Thomas-Didyme; Maria-Chapdelaine, Quebec and has an elevation of 248 meters.

• Latitude: 48° 54' 14'' North   (decimal: 48.9039135)
• Longitude: 72° 51' 23'' West   (decimal: -72.8564418)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 248 meters
• Location: Saint-Thomas-Didyme; Maria-Chapdelaine
• Atlas of Canada Locator Map: Lac de la Roche
• GPS Coordinate Locator Map: Lac de la Roche Lat/Long