Yr Eifl, sometimes called the Rivals in English, is a group of hills on the north coast of the

Llŷn Peninsula The Llŷn Peninsula ( cy, Penrhyn Llŷn or , ) extends into the Irish Sea from North West Wales, south west of the Isle of Anglesey. It is part of the historic county of Caernarfonshire, and historic region and local authority area of Gwynedd. Mu ...

Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

. On a clear day, the views from the highest summit reach as far as the

Isle of Man ) , anthem = "O Land of Our Birth" , image = Isle of Man by Sentinel-2.jpg , image_map = Europe-Isle_of_Man.svg , mapsize = , map_alt = Location of the Isle of Man in Europe , map_caption = Location of the Isle of Man (green) in Europe ...

, the

Wicklow Mountains The Wicklow Mountains (, archaic: ''Cualu'') form the largest continuous upland area in the Republic of Ireland. They occupy the whole centre of County Wicklow and stretch outside its borders into the counties of Dublin, Wexford and Carlow. Wh ...

Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...

and the

Lake District The Lake District, also known as the Lakes or Lakeland, is a mountainous region in North West England. A popular holiday destination, it is famous for its lakes, forests, and mountains (or ''fells''), and its associations with William Wordswor ...

, as well as the entire sweep of

Cardigan Bay Cardigan Bay ( cy, Bae Ceredigion) is a large inlet of the Irish Sea, indenting the west coast of Wales between Bardsey Island, Gwynedd in the north, and Strumble Head, Pembrokeshire at its southern end. It is the largest bay in Wales. Geograp ...

. The view of Yr Eifl is especially striking from the SW coast of Anglesey, for instance from

Ynys Llanddwyn Ynys Llanddwyn (also known as Llanddwyn Island) is a small tidal island off the west coast of Anglesey (Welsh language, Welsh: Ynys Môn), northwest Wales. The nearest settlement is the village of Newborough, Anglesey, Newborough. Geology and g ...

Ordnance Survey , nativename_a = , nativename_r = , logo = Ordnance Survey 2015 Logo.svg , logo_width = 240px , logo_caption = , seal = , seal_width = , seal_caption = , picture = , picture_width = , picture_caption = , formed = , preceding1 = , di ...

maps show a height of 564 metres, but a recent survey gives the height at 561 metres (1,841 feet). Clogwyni serth Yr Eifl

The three peaks

There are three peaks: * ''Tre'r Ceiri'': , * ''Garn Ganol'': and * ''Garn Fôr'': . Garn Ganol, the central summit, is the highest point on Llŷn, with an ancient cairn, and a

trig point A triangulation station, also known as a trigonometrical point, and sometimes informally as a trig, is a fixed surveying station, used in geodetic surveying and other surveying projects in its vicinity. The nomenclature varies regionally: they a ...

. Across the pass "Bwlch yr Eifl", and overlooking the sea, is Garn Fôr, the northern summit. Garn Fôr is also known as ''Mynydd y Gwaith''. It has a

microwave radio relay Microwave transmission is the transmission of information by electromagnetic waves with wavelengths in the microwave frequency range of 300MHz to 300GHz(1 m - 1 mm wavelength) of the electromagnetic spectrum. Microwave signals are normally lim ...

station on it, as well as cairns and

granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...

quarries (which produced the material for the curling event at the

2006 Winter Olympics The 2006 Winter Olympics, officially the XX Olympic Winter Games ( it, XX Giochi olimpici invernali) and also known as Torino 2006, were a winter multi-sport event held from 10 to 26 February 2006 in Turin, Italy. This marked the second t ...

), and a cliff face dropping to the

Irish Sea The Irish Sea or , gv, Y Keayn Yernagh, sco, Erse Sie, gd, Muir Èireann , Ulster-Scots: ''Airish Sea'', cy, Môr Iwerddon . is an extensive body of water that separates the islands of Ireland and Great Britain. It is linked to the Ce ...

at Trwyn y Gorlech. The third summit,

Tre'r Ceiri () is a hillfort dating back to the Iron Age. The name means 'town of the giants', from , plural of , 'giant'. The settlement is located above sea level on the slopes of , a mountain on the north coast of the Llŷn Peninsula in , north-western ...

, on the south-eastern side, is the location of 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 appl ...

hillfort A hillfort is a type of earthwork used as a fortified refuge or defended settlement, located to exploit a rise in elevation for defensive advantage. They are typically European and of the Bronze Age or Iron Age. Some were used in the post-Roma ...

. Its name means "settlement of the giants", from ''cewri'', plural of ''cawr'', giant. It is regarded as one of the best examples of a prehistoric hillfort in Europe. A path leads to the summit.

Surroundings

Routes lead onto the hill from the nearby villages of

Llithfaen Llithfaen is a Medium Sized Village on the Llŷn Peninsula in Gwynedd, Wales, in the historic county of Caernarfonshire , HQ= County Hall, Caernarfon , Map= , Image= Flag , Motto= ...

to the south,

Llanaelhaearn __NOTOC__ Llanaelhaearn is a village and community on the Llŷn Peninsula in the county of Gwynedd, Wales. The community includes the larger village of Trefor and has a population of 1,067, increasing to 1,117 at the 2011 Census. Name The to ...

to the east and Trefor to the north. On the western slopes of Yr Eifl, beneath Graig Ddu (a cliff on the western slope of Garn Ganol), a small valley leads down to the sea. This is ''

Nant Gwrtheyrn Nant Gwrtheyrn is a Welsh Language and Heritage Centre, located near the village of Llithfaen on the northern coast of the Llŷn Peninsula, Gwynedd, in northwest Wales. It is sometimes referred to as 'the Nant' and is named after the valley wh ...

'' ("Vortigern's Valley"), a valley with no public roads, with a former quarry village, which is now home to a

Welsh language Welsh ( or ) is a Celtic language family, Celtic language of the Brittonic languages, Brittonic subgroup that is native to the Welsh people. Welsh is spoken natively in Wales, by some in England, and in Y Wladfa (the Welsh colony in Chubut P ...

teaching centre. Another quarry, Trefor

quarry, can be found to the north of Garn Ganol.

References

External links

www.geograph.co.uk : photos of Yr Eifl and surrounding area
{{Authority control Llanaelhaearn Pistyll Mountains and hills of Gwynedd Sites of Special Scientific Interest in West Gwynedd Marilyns of Wales