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Crug y Biswal Round Barrow is a prehistoric round barrow located in Wales and protected by Cadw under reference CM075. The monument sits upon bedrock formed from Llandovery Rocks, a geological formation of the Llandovery period comprising interbedded sandstone and conglomerate. This firm, varied stone foundation would have provided a stable base for the barrow's construction during the Bronze Age.
Round barrows of this type were burial monuments built across Britain and Wales during the Bronze Age, typically serving as focal points for repeated inhumations and cremations over several generations. They represent some of the most enduring landscape markers created by prehistoric communities. The barrow's position on Llandovery bedrock reflects how prehistoric builders selected sites with regard to the underlying geology.
The monument survives as a landscape feature subject to Cadw's protective legislation, ensuring its preservation as evidence of prehistoric funerary practice and social organisation in Wales. Like other round barrows, Crug y Biswal provides archaeological insight into Bronze Age communities' relationship with the land and their treatment of the dead, even without detailed excavation records being readily available.
Crug y Biswal Round Barrow is a scheduled monument protected by Cadw under reference CM075. View the official record →
Crug y Biswal Round Barrow is a prehistoric round barrow located in Wales and protected by Cadw under reference CM075.
Crug y Biswal 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.
Crug y Biswal 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 CM075.
Several scheduled monuments lie within 10 km, including Ring Cairn 50m North of Crug y Biswal (0.1 km), Crugiau Edryd Round Barrows (1.9 km), Crugiau Leir Round Barrows (2.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Crug y Biswal 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.
Crug y Biswal Round Barrow stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is sandstone and conglomerate, interbedded.