Cornerstone is a residential neighbourhood in the northeast quadrant of Calgary, Alberta, Canada. Located near the north edge of the city, it is bounded by the Skyview Ranch and Redstone communities to the west, Stoney Trail NE to the north, Calgary, Cityscape Community to the south, and Cornerstone Close Northeast Road to the east. The Cornerstone Community is master-planned by Walton Development and Management. Cornerstone is located within Calgary City Council's Ward 5.