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Hillforts in Isle of Anglesey

Isle of Anglesey, Wales, has 12 hillforts in the Atlas of Hillforts of Britain and Ireland.

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Type

Contour Partial contour Promontory Hillslope Level terrain Marsh Multiple enclosure

Condition

Extant Cropmark Likely destroyed

Morphology

Univallate Bivallate Multivallate

Scheduled monument

Any Yes No

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Sites

• Bwrdd Arthur, LlanddonaIsle of Anglesey · Extant · Likely destroyed · Contour fort
• Caer IdrisIsle of Anglesey · Extant · Promontory fort
• Caer-y-Twr, Mynydd Twr (Holyhead Mountain).Isle of Anglesey · Extant · Likely destroyed · Partial contour fort
• Dinas GynforIsle of Anglesey · Extant · Promontory fort
• Dinas, Porth RuffyddIsle of Anglesey · Extant · Likely destroyed · Promontory fort
• Mynydd LlwydiarthIsle of Anglesey · Extant · Promontory fort
• ParciauIsle of Anglesey · Extant · Promontory fort
• Tan-y-Graig, LlanffinanIsle of Anglesey · Extant · Partial contour fort
• Twyn-y-ParcIsle of Anglesey · Extant · Likely destroyed · Promontory fort
• y Werthyr, BryngwranIsle of Anglesey · Extant · Marsh fort
• y Werthyr, LlanddeusantIsle of Anglesey · Extant · Cropmark · Contour fort
• Ynys-y-FydlynIsle of Anglesey · Extant · Promontory fort