to claim grazing land at the western end of the Gower side during the 1930s. This vigorous grass has since spread in a wide band all along the south side, forming the basis of a salt-marsh supporting the grazing of sheep, ponies and cattle.

The estuary is partly closed off by Whiteford Point, which extends from italic= in Gower towards Burry Port and italic= in Carmarthenshire. This is now a National Nature Reserve maintained by the National Trust