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Pen Coed-Foel Camp is a prehistoric hillfort located in Wales and protected by Cadw under reference CD017. The site occupies high ground underlain by Ashgill Rocks, a formation of mudstone, siltstone and sandstone that provides a naturally strong defensive foundation. This geology would have made the hilltop a strategic location for Iron Age communities, offering both elevated vantage points for surveillance and relatively stable ground for the construction of substantial earthworks.
The camp's defences would have comprised banks and ditches exploiting the natural slope of the hill. The underlying bedrock geology influenced both the practical challenges and possibilities of fortification, as the mixed lithology of the Ashgill formation would have affected drainage and the consistency of material available for rampart construction. Such geological factors were critical in determining the effectiveness and longevity of prehistoric fortification sites.
Hillforts of this type represent significant investments of community labour and planning, typically serving as territorial markers, refuges, and focal points for trade and social organisation during the Iron Age. Pen Coed-Foel Camp's position and construction reflect the strategic importance placed on controlling the surrounding landscape, a characteristic pattern of hillfort distribution across upland and borderland regions of Wales.
Pen Coed-Foel Camp is a scheduled monument protected by Cadw under reference CD017. View the official record →
Pen Coed-Foel Camp is a prehistoric hillfort located in Wales and protected by Cadw under reference CD017.
Pen Coed-Foel 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 Coed-Foel 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 CD017.
Several scheduled monuments lie within 10 km, including Round Cairns & Standing Stone SW of Blaen-Nant-Rhys (7 km), Castell Du Castle Mound (8.8 km), Carn Wen Round Barrow (9.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen Coed-Foel 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 Coed-Foel Camp stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.