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Cefn y Castell is a prehistoric hillfort situated in Wales on bedrock of Caradoc Rocks, composed of mudstone, siltstone and sandstone formed during the Caradocian period. The monument is protected by Cadw, the historic monuments service of Wales, under the reference MG007.
As a hillfort, the site represents a form of settlement characteristic of later prehistory, typically featuring defensive earthworks constructed to enclose and protect a community and its resources. The underlying geology of Caradoc Rocks would have influenced both the construction of defences and the character of the landscape visible from the fort, with the mixed sedimentary bedrock providing variable building material and drainage conditions across the site.
The protection afforded by Cadw recognition ensures that Cefn y Castell remains available for archaeological study and public access as a significant record of prehistoric settlement patterns in Wales. Such hillforts across Britain and Wales reveal important information about social organisation, defensive strategies and land use during the Iron Age and earlier periods, though the specific sequence of occupation and use at this site remains to be fully understood through future investigation.
Cefn y Castell is a scheduled monument protected by Cadw under reference MG007. View the official record →
Cefn y Castell is a prehistoric hillfort situated in Wales on bedrock of Caradoc Rocks, composed of mudstone, siltstone and sandstone formed during the Caradocian period. It is designated a Scheduled Ancient Monument by Cadw under reference MG007.
Cefn y Castell dates from the prehistoric period, and is classified as a hillfort. It is one of over 32,000 scheduled monuments protected across the UK.
Cefn y Castell 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 MG007.
Several scheduled monuments lie within 10 km, including Two bowl barrows 290m north of Upper House Farm (6.4 km), Black Bank Camp (7.1 km), Small enclosed Iron Age settlement and a length of an adjacent hollow way, 350m north west of Beechfield (7.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Cefn y Castell'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.
Cefn y Castell stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.