Lac Rocheux is a Lake located in Sainte-Émélie-de-l'Énergie; Matawinie, Quebec and has an elevation of 552 meters.

• Latitude: 46° 22' 28'' North   (decimal: 46.3744444)
• Longitude: 73° 45' 28'' West   (decimal: -73.7577777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 552 meters
• Location: Sainte-Émélie-de-l'Énergie; Matawinie
• Atlas of Canada Locator Map: Lac Rocheux
• GPS Coordinate Locator Map: Lac Rocheux Lat/Long