Reoccupation of Iron Age hill forts in Wales during 5th-6th centuries post-Roman period

March 17, 2026General

Source: Macsen Wledig & Forgotten Remnant of Roman Britain by The Historian's Craft

After Rome's withdrawal, Welsh aristocrats and military moved into ancient Iron Age hill forts. Objects from abandoned estates appear in these reoccupied forts, showing continuity of power structures in new locations. 🏰

Key facts

In the 5th and 6th centuries, pre-Roman British Iron Age hill forts were rehabitated, reused, and expanded
This reoccupation is especially prominent in Wales
Archaeological evidence shows abandonment of large estates, but not total collapse—people remained but structures were no longer useful for socio-political requirements
Objects that had been in estates appear in reoccupied hill forts in the 5th century
Aristocrats and elements of the military appear to have simply moved to these hill forts
Stone pillars with Old Irish inscriptions suggest Irish contact, raiding, and warfare
An Irish kingdom existed in southern Wales around this time
Small villages were founded and grew at several locations in Wales
Church sites continued to be important during the immediate post-Roman period