Treryn Dinas is a

headland A headland, also known as a head, is a coastal landform, a point of land usually high and often with a sheer drop, that extends into a body of water. It is a type of promontory. A headland of considerable size often is called a cape.Whittow, John ...

near Treen, on the

Penwith Penwith (; kw, Pennwydh) is an area of Cornwall, England, United Kingdom, located on the peninsula of the same name. It is also the name of a former Non-metropolitan district, local government district, whose council was based in Penzance. ...

peninsula between Penberth Cove and

Porthcurno Porthcurno ( kw, Porthkornow, Porthcornow, meaning ''"pinnacle cove"'', see below) is a small village covering a small valley and beach on the south coast of Cornwall, England in the United Kingdom. It is the main settlement in a civil and an ec ...

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...

, England. It is a

scheduled monument In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change. The various pieces of legislation that legally protect heritage assets from damage and d ...

, and is owned by the

National Trust The National Trust, formally the National Trust for Places of Historic Interest or Natural Beauty, is a charity and membership organisation for heritage conservation in England, Wales and Northern Ireland. In Scotland, there is a separate and ...

. It is the site of a

promontory fort A promontory fort is a defensive structure located above a steep cliff, often only connected to the mainland by a small neck of land, thus using the topography to reduce the ramparts needed. Although their dating is problematic, most seem to da ...

dated to the

Iron Age The Iron Age is the final epoch of the three-age division of the prehistory and protohistory of humanity. It was preceded by the Stone Age (Paleolithic, Mesolithic, Neolithic) and the Bronze Age (Chalcolithic). The concept has been mostly appl ...

. The promontory slopes away steeply to the sea on three sides, and on the landward (north) side there are widely spaced defensive earthworks. The innermost rampart, up to high, crosses the narrowest part of the headland. Beyond this there are two low curving ramparts, and a massive outer rampart, up to high, with a ditch on its northern side and a causewayed entrance. The

South West Coast Path The South West Coast Path is England's longest waymarked long-distance footpath and a National Trail. It stretches for , running from Minehead in Somerset, along the coasts of Devon and Cornwall, to Poole Harbour in Dorset. Because it rises a ...

runs alongside the outer rampart.Treryn Dinas Cliff Castle, Treen and Rospletha Cliffs Penberth Valley and Cove, St Levan
National Trust, accessed 20 June 2016.
Cornwall Tour, accessed 20 June 2016. On the promontory,

Logan Rock The Logan Rock ( kw, Men Omborth, meaning ''balanced stone'') near the village of Treen in Cornwall, England, UK, is an example of a logan or rocking stone. Although it weighs some 80 tons, it was dislodged in 1824 by a group of British seamen, ...

is balanced on the rocky terrain about above the sea. This rocky headland is the subject of an engraving of a painting by

Thomas Allom Thomas Allom (13 March 1804 – 21 October 1872) was an English architect, artist, and topographical illustrator. He was a founding member of what became the Royal Institute of British Architects (RIBA). He designed many buildings in London, in ...

entitled ''Treryn Castle'' in ''Fisher's Drawing Room Scrap Book'' (1833), together with a poetical illustration by

Letitia Elizabeth Landon Letitia Elizabeth Landon (14 August 1802 – 15 October 1838) was an English poet and novelist, better known by her initials L.E.L. The writings of Landon are transitional between Romanticism and the Victorian Age. Her first major breakthrough ...

The entrance to Treryn Dinas cliff castle - geograph

References

{{Iron Age hillforts in England Hill forts in Cornwall Headlands of Cornwall Iron Age sites in Cornwall Scheduled monuments in Cornwall National Trust properties in Cornwall