Costellos Rock is a Mountain located in Ferryland, Newfoundland and Labrador and has an elevation of 85 meters.

• Latitude: 47° 5' 21'' North   (decimal: 47.0891666)
• Longitude: 52° 56' 32'' West   (decimal: -52.9422222)
• Topography Feature Category: Mountain
• Geographical Feature: Hill
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 85 meters
• Location: Ferryland
• Atlas of Canada Locator Map: Costellos Rock
• GPS Coordinate Locator Map: Costellos Rock Lat/Long