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Carn Fadryn Camp is a prehistoric hillfort located in Wales and protected by Cadw as a scheduled monument under reference CN011. The site occupies high ground underlain by Ordovician extrusive rocks of mafic composition, volcanic stone laid down over 480 million years ago. This durable bedrock forms the natural foundation of the hillfort, with its irregular surface and outcropping providing both defensive advantages and construction material for the monument's builders.
The camp itself dates to the Iron Age or Late Bronze Age, when communities across Wales established hillforts as defended settlements, administrative centres, or places of refuge. Carn Fadryn's position afforded commanding views across the surrounding landscape, typical of hillfort siting strategy. The volcanic geology of the location would have provided ready supplies of stone for rampart construction and domestic structures.
Today the monument remains visible as earthworks marking the ancient settlement's boundaries, its archaeological significance recognised through statutory protection. The underlying geology continues to shape the site's appearance and preservation, with the resistant Ordovician rock ensuring that structural elements have survived millennia of exposure to the Welsh climate.
Carn Fadryn Camp is a scheduled monument protected by Cadw under reference CN011. View the official record →
Carn Fadryn Camp is a prehistoric hillfort located in Wales and protected by Cadw as a scheduled monument under reference CN011.
Carn Fadryn 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.
Carn Fadryn 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 CN011.
Several scheduled monuments lie within 10 km, including Enclosed Hut Group South of Penbodlas (1.1 km), Hut Circle at Cae-Cerig-Isaf (4.6 km), Nant Castell Camp (4.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Carn Fadryn 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.
Carn Fadryn Camp stands on Unnamed Extrusive Rocks, Ordovician, bedrock that formed in the Ordovician. The rock here is mafic lava.