Bennar’s fine, sandy beach is backed by the occasional sand dune. These sand dunes are of Special Scientific Interest, since they are constantly developing and therefore changing their environment.
Dyffryn Ardudwy, Gwynedd, LL44 2HD
This beach’s dramatic English name is based not just on its semicircular shape resembling a wide, open mouth. Its hellish dimension comes from a savage, south-westerly aspect that offers precious little shelter to sailors.
Llanengan, Gwynedd, LL53 7LG