Lac Trout is a Lake located in Mulgrave-et-Derry; Papineau, Quebec.

• Latitude: 45° 49' 30'' North   (decimal: 45.8250495)
• Longitude: 75° 20' 14'' West   (decimal: -75.3371557)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Mulgrave-et-Derry; Papineau
• Atlas of Canada Locator Map: Lac Trout
• GPS Coordinate Locator Map: Lac Trout Lat/Long