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Holy Island, Anglesey

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Title: Holy Island, Anglesey  
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Subject: Anglesey, Holyhead Mountain, Irish Sea, List of islands of Wales, Holyhead
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Holy Island, Anglesey

Native name: Ynys Gybi
A map showing the Isle of Anglesey and Holy Island
Holy Island, Anglesey is located in the United Kingdom
Holy Island, Anglesey (United Kingdom)
Location Irish Sea
Archipelago British Isles
Area 15.22 sq mi (39.4 km2)
Length 12.3 km (7.64 mi)
Width 5.6 km (3.48 mi)
Highest elevation 220 m (720 ft)
Highest point Holyhead Mountain
County Isle of Anglesey
Largest settlement Holyhead (pop. 11,237)
Population 13,659 (as of 2011)
Density 346 /km2 (896 /sq mi)
Ethnic groups Welsh people

Holy Island (Welsh: Ynys Gybi, 'the island of (Saint) Cybi') is an island (15.22 sq mi (39.4 km2)) on the western side of the larger Isle of Anglesey, North Wales, from which it is separated by a narrow, winding channel. It is called "Holy" because of the high concentration of standing stones, burial chambers and other religious sites on the small island. The alternative and historic name of the island is Holyhead Island. According to the 2011 UK Census, the population is 13,659.


  • History 1
  • Natural features 2
  • Transport 3
  • Shipwrecks 4
  • Reference footnotes 5
  • External links 6


Holyhead Mountain

Irish pirates invaded Anglesey following the withdrawal of Rome from Britannia. Cunedda first began warfare against the Irish but ultimately Cadwallon Lawhir defeated the Irish on Holy Island.

Natural features

There are a variety of natural habitats on Anglesey including mudflats, dunes, marshes, and beaches.[1] The western side of the island is taken up mainly by Holyhead Mountain, an area of maritime heather moor, which is the highest peak in the county at 722 feet (220m). The coastal zone between the island and the mainland of Anglesey is a large site of special scientific interest - Beddmanarch-Cymyran SSSI.


Ordnance Survey map of Holy Island, 2010

Holy Island is connected to Anglesey by two road links. The first, the Stanley Embankment, is made up of causeways carrying the A5/A55 road and the main railway line to Chester and London, and the original bridge of the A5 post road. The second is Four Mile Bridge which carries a 'B' road and is much smaller.

The main settlement is the port of Holyhead, from which passenger ferries travel to Dún Laoghaire and Dublin, Ireland, and freight ferries also travel to Dublin. Holyhead railway station is located in the town. Other settlements include the villages of Trearddur Bay, Rhoscolyn and Four Mile Bridge.

Around 30 miles (48 km) of the 125-mile (201 km) Anglesey Coastal Path is on Holy Island.


Peripheral islands and stacks include North Stack, and South Stack, with its famous lighthouse. Before—and even after—the construction of lighthouses, the cliffs and jagged rocks of the island were a great danger to sailors.

Reference footnotes

  1. ^ Anglesey natural history

External links

  • Holy Island protected site
  • Ysgol Rhoscolyn Primary School
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