Gibraltar Point National Nature Reserve is an area of approximately 430 hectares.
It comprises sandy and muddy seashores, sand-dunes, saltmarshes and freshwater habitats extending for a distance of about three miles along the Lincolnshire coast, from the southern end of Skegness to the entrance of the Wash..
Its importance is recognised by its various designations:
GibraltarPointNational Nature Reserve is an area of approximately 4.3 square kilometres in Lincolnshire, England.
The reserve comprises two parallel ridges of sand dunes - the "east dunes" and the "west dunes" - separated by approximately half a kilometre of saltmarsh; and an area on the seaward side with further saltmarsh and sand, shingle and muddy beaches.
GibraltarPoint is an area of coastal deposition - at the end of the 18th century, the west dunes were by the shore, but they are now 1km inland.