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Carmel Head ( Welsh: ''Trwyn y Gadair'') is a prominent coastal headland on the northwest tip of the island of
Carmel Head ( Welsh: ''Trwyn y Gadair'') is a prominent coastal headland on the northwest tip of the island of Anglesey
Anglesey (; cy, (Ynys) Môn ) is an island off the north-west coast of Wales. It forms a principal area known as the Isle of Anglesey, that includes Holy Island across the narrow Cymyran Strait and some islets and skerries. Anglesey island ...
.
It is a designated SSSI
A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...
because of its geological
Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Eart ...
interest for the Carmel Head Thrust fault where Precambrian
The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the ...
rocks have been pushed over younger Ordovician
The Ordovician ( ) is a geologic period and System (geology), system, the second of six periods of the Paleozoic Era (geology), Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start ...
rocks creating the Carmel Head thrust. Rock exposures along the cliffs of Carmel Head include Precambrian gneisses
Gneiss ( ) is a common and widely distributed type of metamorphic rock. It is formed by high-temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. Gneiss forms at higher temperatures an ...
, which are almost certainly the oldest rocks in Wales.
Off-shore from the head lie the islands of the Skerries and to the east of the Skerries three further islands, West Mouse, Middle Mouse and East Mouse. On West Mouse is a large white-painted column which is matched on Carmel Head by two further columns, known locally as the "Three White Ladies". They were constructed in the 1860s as navigation aids: lining up the three columns marks the position of a shallow reef offshore that was a grave danger to shipping. There are ruins of a copper mine and factory still in existence, including a well-preserved furnace chimney stack.
In the summer months the Anglesey Coastal Path passes over Carmel Head on a permissive path but in winter the path is closed to all for pheasant
Pheasants ( ) are birds of several genera within the family (biology), family Phasianidae in the order (biology), order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera na ...
shooting. Most of the land on the head, which peaks at 81 metres above sea level, is owned and managed 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 ...
.
References