Premier lac de la Rivière Rocheuse is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 178 meters.

• Latitude: 48° 45' 28'' North   (decimal: 48.7577778)
• Longitude: 69° 34' 27'' West   (decimal: -69.5741667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 178 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Premier lac de la Rivière Rocheuse
• GPS Coordinate Locator Map: Premier lac de la Rivière Rocheuse Lat/Long