Lac de l'Île Rocheuse is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 391 meters.

• Latitude: 49° 6' 0'' North   (decimal: 49.1000686)
• Longitude: 75° 13' 2'' West   (decimal: -75.2171018)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 391 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac de l'Île Rocheuse
• GPS Coordinate Locator Map: Lac de l'Île Rocheuse Lat/Long