One of the most unique formations on the East Coast is the "hole-in-the-wall" in the cliffs near Tolaga Bay. It pierces a cliff in an area just a few hundred yards from Cook's Cove and is easily accessible.
All images and text on this website are made available under the Creative Commons Attribution-NonCommercial-NoDerivs 3.0 New Zealand (http://creativecommons.org/licenses/by-nc-nd/3.0/nz/).