Lac du Pyroxène is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec.

• Latitude: 49° 29' 25'' North   (decimal: 49.4903231)
• Longitude: 69° 50' 11'' West   (decimal: -69.8364933)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac du Pyroxène
• GPS Coordinate Locator Map: Lac du Pyroxène Lat/Long