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Carn Pentyrch Camp is a prehistoric hillfort situated in Wales on bedrock of Ordovician to Silurian age. The underlying geology consists of an unnamed igneous intrusion of felsic composition, formed during the Silurian period. This hard, light-coloured igneous rock provides a naturally elevated and defensible position, typical of hillfort siting strategies in the prehistoric period. The solid bedrock foundation would have made construction of substantial ramparts and defensive structures feasible, whilst the prominent geological feature itself offered commanding views across the surrounding landscape.
The hillfort's location on igneous bedrock distinguishes it geologically from many other Welsh hillforts, which often occupy sedimentary or metamorphic substrates. The felsic igneous rock exposed in the area would have influenced both the fort's construction methods and its visual prominence in the local terrain.
The site is protected and scheduled as a monument of national importance under Cadw, the Welsh Historic Monuments service, recorded under reference CN055. This designation recognises its archaeological significance as evidence of prehistoric settlement and defensive strategy in the Welsh uplands.
Carn Pentyrch Camp is a scheduled monument protected by Cadw under reference CN055. View the official record →
Carn Pentyrch Camp is a prehistoric hillfort situated in Wales on bedrock of Ordovician to Silurian age. It is designated a Scheduled Ancient Monument by Cadw under reference CN055.
Carn Pentyrch 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 Pentyrch 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 CN055.
Several scheduled monuments lie within 10 km, including St Cybi's Well (0.6 km), Cross-Incised Stone in Llangybi Churchyard (0.7 km), Four Crosses Standing Stone (3.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Carn Pentyrch 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 Pentyrch Camp stands on Unnamed Igneous Intrusion, Ordovician To Silurian, bedrock that formed in the Silurian. The rock here is felsic-rock.