cemetery outside Poundbury Hill contains east-facing Christian burials of the 4th century CE. In Wales, the hillfort at Dinas Powys was a Late Iron Age hillfort reoccupied from the 5th-6th centuries CE; similarly at Castell Dinas Brân a hillfort of was reused in the Middle Ages, with a stone castle built there in the 13th century CE.

Some Iron Age hillforts were also