Lac Roi is a Lake located in Lac-Douaire; Antoine-Labelle, Quebec.

• Latitude: 47° 8' 26'' North   (decimal: 47.1405556)
• Longitude: 75° 33' 41'' West   (decimal: -75.5613889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Douaire; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Roi
• GPS Coordinate Locator Map: Lac Roi Lat/Long