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Twyn Cae-Hugh Round Barrow is a prehistoric round barrow located in Wales, protected as a scheduled ancient monument by Cadw under reference MM033. Round barrows of this type were constructed during the Bronze Age as burial monuments, typically raised over individual graves or cremation deposits and serving as territorial markers across the landscape for centuries after their construction.
The barrow is situated on bedrock of the South Wales Upper Coal Measures Formation, a geological sequence of the Westphalian period comprising mudstone, siltstone, sandstone, coal, ironstone and ferricrete deposits. This solid, consolidated base would have provided stable ground for the monument's construction, though the underlying coal-bearing strata indicate a landscape shaped by ancient deltaic and shallow marine environments from the Carboniferous period, millions of years before human settlement of the area.
The monument survives as an earthwork within this coal-measures terrain, bearing witness to Bronze Age burial practices in South Wales. Its preservation and official protection reflect the archaeological importance of round barrows in understanding prehistoric settlement patterns, social organisation and land use across the Welsh uplands and their margins.
Twyn Cae-Hugh Round Barrow is a scheduled monument protected by Cadw under reference MM033. View the official record →
Twyn Cae-Hugh Round Barrow is a prehistoric round barrow located in Wales, protected as a scheduled ancient monument by Cadw under reference MM033.
Twyn Cae-Hugh 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.
Twyn Cae-Hugh 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 MM033.
Several scheduled monuments lie within 10 km, including Caerphilly Castle (4.8 km), Caerffili Mountain Shaft Mounds (6.7 km), Ruperra Hillfort and Motte (6.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Twyn Cae-Hugh 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.
Twyn Cae-Hugh Round Barrow 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.