Lac à Rock is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 500 meters.

• Latitude: 48° 41' 22'' North   (decimal: 48.6894444)
• Longitude: 72° 54' 39'' West   (decimal: -72.9108333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 500 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac à Rock
• GPS Coordinate Locator Map: Lac à Rock Lat/Long