Petit lac à la Truite is a Lake located in Rivière-Mouchalagane; Caniapiscau, Quebec.

• Latitude: 51° 49' 42'' North   (decimal: 51.8283852)
• Longitude: 69° 39' 14'' West   (decimal: -69.6538811)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Mouchalagane; Caniapiscau
• GPS Coordinate Locator Map: Petit lac à la Truite Lat/Long