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Caer y Twr hill fort

Caer y Twr, an Iron Age hillfort on the top of Holyhead Mountain is surrounded by defensive stone walls. The site was also used by the invading Roman army where remains of a stone watch tower still remain. The views from the copa (welsh word for summit) are impressive as it overlooks Holyhead harbour, the Ll欧n Peninsula and the mountains of Snowdonia.

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3 minutes