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Pen-y-Gaer Camp is a prehistoric hillfort located in Wales and protected by Cadw under reference CN149. The fort sits upon Lower Cambrian bedrock composed of interbedded sandstone and conglomerate, geological formations laid down during the Early Cambrian period. This solid foundation of ancient rock provided a naturally defensible location for the camp's construction.
Hillforts of this type typically date to the Iron Age, though occupation may have begun earlier or extended into the Roman period. They served as defended settlements, stock enclosures or both, with their hilltop positions offering commanding views of surrounding territory and natural protection from attack. The integration of the fort's defences with the underlying sandstone and conglomerate bedrock would have been essential to its structural integrity.
The surviving earthworks at Pen-y-Gaer Camp represent the physical remains of this ancient settlement strategy. The site's designation under Cadw's protection recognises its importance to understanding prehistoric settlement patterns and defensive architecture in Wales. The monument stands as evidence of how Iron Age communities engineered their settlements into the Welsh landscape, exploiting natural topography and geology to create sustainable, fortified communities.
Pen-y-Gaer Camp is a scheduled monument protected by Cadw under reference CN149. View the official record →
Pen-y-Gaer Camp is a prehistoric hillfort located in Wales and protected by Cadw under reference CN149.
Pen-y-Gaer 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-Gaer 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 CN149.
Several scheduled monuments lie within 10 km, including Enclosed Hut Circle West of Llwyn Bedw (6.5 km), Ystrad Rural Settlement (7 km), Hafod-y-Wern Long Hut (7.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen-y-Gaer 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-Gaer Camp stands on Lower Cambrian Rocks (Undifferentiated), bedrock that formed in the Early Cambrian. The rock here is sandstone and conglomerate, interbedded.