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Pen y Garn Camp is a prehistoric hillfort located in Wales and protected by Cadw under reference CM150. The site occupies a naturally defensible position on bedrock comprising Ludlow rocks—undifferentiated mudstone, siltstone and sandstone typical of the Ludlow Series geology. This solid foundation would have provided a stable base for the ramparts and internal structures characteristic of Iron Age hillforts in the region, whilst the elevated position afforded commanding views across the surrounding landscape and strategic control of local routes.
Hillforts of this type were focal points of settlement and territorial power during the later prehistoric period, typically enclosed by one or more substantial defensive banks and ditches. The choice of location at Pen y Garn reflects the practical considerations of Iron Age communities: the higher ground offered natural advantages for defence and visibility, whilst the underlying geology provided reliable materials for construction. The site's preservation under statutory protection recognises its significance as evidence of the social organisation and landscape use of prehistoric Wales.
Pen y Garn Camp is a scheduled monument protected by Cadw under reference CM150. View the official record →
Pen y Garn Camp is a prehistoric hillfort located in Wales and protected by Cadw under reference CM150.
Pen y Garn 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 Garn 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 CM150.
Several scheduled monuments lie within 10 km, including Castell Dryslwyn (2.6 km), Grongaer (2.6 km), Cairn 150m ESE of Garnbig (3.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen y Garn 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 Garn Camp stands on Ludlow Rocks (Undifferentiated), bedrock that formed in the Ludlow. The rock here is mudstone, siltstone and sandstone.