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Ring Cairn and Two Standing Stones on Coedpenmaen Common is a prehistoric ring cairn protected as a scheduled monument under Cadw reference GM510. Located in Wales, the monument comprises a circular cairn surrounded by a kerb of stones, accompanied by two upright stone markers. Ring cairns of this type typically date to the Bronze Age and served as ceremonial or burial monuments within their communities.
The site sits upon the South Wales Upper Coal Measures Formation, bedrock composed of mudstone, siltstone, sandstone, coal, ironstone and ferricrete laid down during the Westphalian period. This geological setting has shaped the landscape and determined the stone types available to those who constructed the monument. The stony, mineral-rich terrain of the coal measures would have influenced both settlement patterns and ritual practices in prehistoric times.
The monument's two standing stones represent a distinctive architectural feature, setting it apart from simpler ring cairn designs. Together with the cairn, they create a focal point on Coedpenmaen Common that would have been visible and meaningful within the local Bronze Age topography. The monument survives as evidence of ritual activity and territorial significance in prehistoric South Wales.
Ring Cairn and Two Standing Stones on Coedpenmaen Common is a scheduled monument protected by Cadw under reference GM510. View the official record →
Ring Cairn and Two Standing Stones on Coedpenmaen Common is a prehistoric ring cairn protected as a scheduled monument under Cadw reference GM510.
Ring Cairn and Two Standing Stones on Coedpenmaen Common 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.
Ring Cairn and Two Standing Stones on Coedpenmaen Common 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 GM510.
Several scheduled monuments lie within 10 km, including Tomen y Clawdd (4 km), Lle'r Gaer (4.4 km), The Pottery, Nantgarw (6.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Ring Cairn and Two Standing Stones on Coedpenmaen Common'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.
Ring Cairn and Two Standing Stones on Coedpenmaen Common stands on South Wales Upper Coal Measures Formation, bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.