Lac Roys is a Lake located in Rapides-des-Joachims; Pontiac, Quebec and has an elevation of 327 meters.

• Latitude: 46° 13' 49'' North   (decimal: 46.2303375)
• Longitude: 77° 39' 40'' West   (decimal: -77.6611383)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 327 meters
• Location: Rapides-des-Joachims; Pontiac
• Atlas of Canada Locator Map: Lac Roys
• GPS Coordinate Locator Map: Lac Roys Lat/Long