Lac à Roy is a Lake located in Lac-Oscar; Antoine-Labelle, Quebec.

• Latitude: 47° 14' 38'' North   (decimal: 47.2439508)
• Longitude: 75° 4' 32'' West   (decimal: -75.0754480)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Oscar; Antoine-Labelle
• Atlas of Canada Locator Map: Lac à Roy
• GPS Coordinate Locator Map: Lac à Roy Lat/Long