Carricknath Point to Porthbean Beach Tags: Site Of Special Scientific Interest.Carricknath Point to Porthbean Beach (Cornish: Karrik Nadh meaning hewn rock and Cornish: Porth Bian meaning small cove) is a coastal Site of Special Scientific Interest (SSSI) in Cornwall England UK noted for its biological interest. thumbnail area of search Cornwall area total (km2) 494900.0 interest Biological Learn more... Loading...