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Cefn Ddwysarn Camp is a prehistoric enclosure situated on bedrock of Ashgill mudstone, siltstone and sandstone in Wales. The monument occupies ground where these fine-grained sedimentary rocks, formed during the Ashgill epoch of the Ordovician period, underlie the surface. This solid geological foundation would have provided a naturally stable base for construction, though the heavy clay-rich soils derived from the weathered bedrock present both opportunities and constraints for settlement. The camp belongs to a class of Iron Age or Bronze Age enclosures common across Welsh upland landscapes, typically defined by banks and ditches or stone-built boundaries that served defensive, administrative or ceremonial purposes.
The site is protected under Cadw, the Welsh heritage protection authority, registered as monument ME063. Protection under this designation recognises its archaeological importance and ensures that features survive for future study and public understanding. The specific geology and positioning of Cefn Ddwysarn Camp within its local terrain would have influenced daily life, water management and the movement of people and livestock. Like comparable prehistoric enclosures in similar Welsh settings, it contributes essential evidence to understanding Iron Age or Bronze Age settlement patterns and land use across upland Britain.
Cefn Ddwysarn Camp is a scheduled monument protected by Cadw under reference ME063. View the official record →
Cefn Ddwysarn Camp is a prehistoric enclosure situated on bedrock of Ashgill mudstone, siltstone and sandstone in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference ME063.
Cefn Ddwysarn Camp dates from the prehistoric period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Cefn Ddwysarn 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 ME063.
Several scheduled monuments lie within 10 km, including Maen y Rhos Standing Stone (1.9 km), Pont Fawr (2.2 km), Pen-Ucha'r-Llan Ringwork (3.1 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Cefn Ddwysarn 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.
Cefn Ddwysarn Camp stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.