Costa Head is a prominent

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 ...

Eynhallow Sound Eynhallow Sound is a seaway lying between Mainland Orkney and the island of Rousay in the Orkney Islands, Scotland. The tidal indraught is "scarcely felt beyond a line joining Costa Head and the Reef of Quendale". An Iron Age broch, Gurness, ...

on the northwestern coast of the

Orkney Mainland The Mainland, also known as Hrossey and Pomona, is the main island of Orkney, Scotland. Both of Orkney's burghs, Kirkwall and Stromness, lie on the island, which is also the heart of Orkney's ferry and air connections. Seventy-five per cent of O ...

Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...

. The tidal indraught of Eynhallow Sound is "scarcely felt beyond a line joining Costa Head and the Reef of Quendale". To the east is the

Point of Hellia The Point of Hellia is a headland on the northwest coast of the Orkney Mainland, Scotland. This landform extends into the southern part of Eynhallow Sound, a seaway of the North Sea. Gurness, an Iron Age broch promontory fort, is situated on t ...

on which is located the

Broch A broch is an Iron Age drystone hollow-walled structure found in Scotland. Brochs belong to the classification "complex Atlantic roundhouse" devised by Scottish archaeologists in the 1980s. Their origin is a matter of some controversy. Origin ...

Gurness The Broch of Gurness is an Iron Age broch village on the northeast coast of Mainland Orkney in Scotland overlooking Eynhallow Sound, about 15 miles north-west of Kirkwall. It once housed a substantial community. Description Settlement here be ...

, an

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 ap ...

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 ...

. Gurness'

drystone Dry stone, sometimes called drystack or, in Scotland, drystane, is a building method by which structures are constructed from stones without any mortar to bind them together. Dry stone structures are stable because of their construction me ...

construction of the "round tower fort is flanked by a number of ancillary structures and impressive concentric ditch and

rampart Rampart may refer to: * Rampart (fortification), a defensive wall or bank around a castle, fort or settlement Rampart may also refer to: * "O'er the Ramparts We Watched" is a key line from "The Star-Spangled Banner", the national anthem of the U ...

outer defences; moreover, the rocky

shoreline A shore or a shoreline is the fringe of land at the edge of a large body of water, such as an ocean, sea, or lake. In physical oceanography, a shore is the wider fringe that is geologically modified by the action of the body of water past a ...

cliff In geography and geology, a cliff is an area of rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. Cliffs are common on coa ...

s posed a formidable approach for marine invaders."C. Michael Hogan, ''Gurness'', The Megalithic Portal, ed. A. Burnham, 2 December 200

/ref>

References

Landforms of Orkney Headlands of Scotland {{Orkney-stub

See also

References