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Pen y Clun Camp is a prehistoric hillfort situated in Wales, protected as a scheduled ancient monument by Cadw under reference MG031. The site commands elevated ground composed of Ashgill rocks, a foundation of mudstone, siltstone and sandstone laid down during the Ashgill geological period. This geology has shaped both the hillfort's defensive potential and the settlement strategies of its prehistoric builders, whose choice of position on these resistant rocks provided a naturally defensible location with commanding views across the surrounding landscape.
The hillfort follows the typical pattern of Iron Age settlements, with defences adapted to the contours of its Ashgill bedrock. The varied stone composition beneath the site—mixing mudstone's weakness with harder sandstone bands—would have influenced how the prehistoric inhabitants engineered their ramparts and internal structures. Such hillforts served as communal centres for farming communities, providing protection for people and livestock during periods of conflict or insecurity.
Pen y Clun Camp remains an important archaeological record of prehistoric settlement in Wales. The monument preserves evidence of how prehistoric communities exploited their environment, constructing defensive positions that took full advantage of the underlying geology and topography. The site contributes to our understanding of settlement hierarchies and social organisation among Iron Age communities in the Welsh landscape.
Pen y Clun Camp is a scheduled monument protected by Cadw under reference MG031. View the official record →
Pen y Clun Camp is a prehistoric hillfort situated in Wales, protected as a scheduled ancient monument by Cadw under reference MG031.
Pen y Clun Camp dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Pen y Clun Camp is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is MG031.
Several scheduled monuments lie within 10 km, including Penyclun Lead Mine (0.6 km), Bryn-tail Leadworks (1.1 km), Pen-y-Gaer Camp (1.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen y Clun Camp's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Pen y Clun Camp stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.