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Blaen y Cwm Ring Cairn is a prehistoric ring cairn situated in Wales on bedrock of Wenlock age sandstone and conglomerate. The monument consists of a circular or near-circular arrangement of stones, a form characteristic of ritual or ceremonial monuments from the Neolithic and Bronze Age periods. Ring cairns typically served as gathering places or markers of spiritual significance within the landscapes of prehistoric communities.
The site is constructed directly upon the interbedded sandstone and conglomerate geology of the Wenlock rocks, which provided locally available stone suitable for monument construction. This underlying geology would have shaped both the practical constraints and opportunities for those who built the cairn, determining the character and size of stones available for use.
The monument is protected and managed by Cadw, the Welsh Historic Monuments authority, under reference MG279, ensuring its preservation for future study and public understanding. Ring cairns remain important archaeological features for understanding how prehistoric populations organised ritual space and marked significant places within the Welsh landscape.
Blaen y Cwm Ring Cairn is a scheduled monument protected by Cadw under reference MG279. View the official record →
Blaen y Cwm Ring Cairn is a prehistoric ring cairn situated in Wales on bedrock of Wenlock age sandstone and conglomerate. It is designated a Scheduled Ancient Monument by Cadw under reference MG279.
Blaen y Cwm Ring Cairn dates from the prehistoric period, and is classified as a ring cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Blaen y Cwm Ring Cairn 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 MG279.
Several scheduled monuments lie within 10 km, including Bryn y Gadair round cairn (5 km), Esgair Draenllwyn Round Cairn I (7 km), Caersws Roman road (7.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Blaen y Cwm Ring Cairn'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.
Blaen y Cwm Ring Cairn stands on Wenlock Rocks (Undifferentiated), bedrock that formed in the Wenlock. The rock here is sandstone and conglomerate, interbedded.