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Bryn Helyg Round Barrow is a prehistoric round barrow located in Wales and protected as a scheduled monument by Cadw under reference CM308. Round barrows of this type were constructed during the Bronze Age as burial mounds for individuals of significance within their communities. The barrow sits upon bedrock composed of Caradoc Rocks, a sequence of mudstone, siltstone and sandstone deposits formed during the Caradocian period of the Ordovician.
The choice of location on this geology reflects the practical considerations of prehistoric communities in selecting suitable ground for monument construction. The relatively soft sedimentary rocks underlying the site would have been easier to work with than harder granite or igneous stone when constructing the barrow's foundation. The mudstone and siltstone bedrock would also have provided natural drainage characteristics suitable for burial purposes.
The monument represents an important record of Bronze Age funerary practices in Wales. As a Cadw-protected site, Bryn Helyg Round Barrow contributes to understanding the distribution and construction methods of round barrows across the Welsh landscape and the broader patterns of prehistoric settlement and ceremonial activity in the region.
Bryn Helyg Round Barrow is a scheduled monument protected by Cadw under reference CM308. View the official record →
Bryn Helyg Round Barrow is a prehistoric round barrow located in Wales and protected as a scheduled monument by Cadw under reference CM308.
Bryn Helyg Round Barrow 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 Helyg Round Barrow 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 CM308.
Several scheduled monuments lie within 10 km, including Delacorse Uchaf Standing Stone (3.4 km), Hillslope Enclosure at Laugharne Park Holiday Village (3.9 km), Laugharne Castle (4.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Bryn Helyg Round Barrow'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 Helyg Round Barrow stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.