Caer-y-Twr Stone Walled Hillfort on Holyhead Mountain

The National Monuments Record of Wales records Caer-y-Twr Stone Walled Hillfort on Holyhead Mountain as Hillfort from the Roman; Iron Age period. The saved point comes from the official national record. Inclusion does not by itself mean that the public may enter the place.

Caer-y-Twr is a stone-walled hillfort located on Holyhead Mountain, dating to the Iron Age, possibly with later Roman influences. It is associated with local folklore referring to it as a "fairy fort," reflecting ancient beliefs in supernatural or otherworldly inhabitants of such sites.