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Bryn y Cosyn Round Barrows is a prehistoric round barrow located in Wales and protected as an ancient monument by Cadw under reference FL096. The barrow sits upon Dinantian limestone bedrock interspersed with sandstone and argillaceous rocks, geology that shaped both the construction materials available to its Neolithic or Bronze Age builders and the landscape they chose for burial. Round barrows of this type typically served as communal or individual sepulchres, often marking significant territories and social hierarchies within prehistoric communities.
The monument's position on limestone terrain would have offered practical advantages for construction, with stone readily accessible for kerbs, cairns or rubble cores typical of Welsh round barrows. The surrounding upland landscape, characteristic of Welsh prehistoric settlement, provided open vantage points valuable for territorial display and ritual activity. The barrow's survival into the modern era, despite extensive post-medieval land use and agriculture, reflects both its robust stone construction and the protective status eventually afforded to such monuments.
Bryn y Cosyn remains an important testament to prehistoric funerary practice in Wales, its form and location contributing to understanding of Bronze Age society and the enduring significance of burial sites within the ancient Welsh landscape.
Bryn y Cosyn Round Barrows is a scheduled monument protected by Cadw under reference FL096. View the official record →
Bryn y Cosyn Round Barrows is a prehistoric round barrow located in Wales and protected as an ancient monument by Cadw under reference FL096.
Bryn y Cosyn Round Barrows dates from the prehistoric period, and is classified as a round barrow. It is one of over 32,000 scheduled monuments protected across the UK.
Bryn y Cosyn Round Barrows 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 FL096.
Several scheduled monuments lie within 10 km, including Round Barrow 450m E of Penbedw Hall (4.5 km), Moel y Gaer Camp (4.8 km), Penbedw Park Stone Circle & Standing Stone (4.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Bryn y Cosyn Round Barrows'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.
Bryn y Cosyn Round Barrows stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.