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Brynbychan Round Cairn is a prehistoric funerary monument consisting of a circular mound of stones constructed during the Bronze Age. Located in Wales, the cairn would have originally served as the focal point for burial and ceremonial practices within its local community. The monument's construction reflects the widespread tradition of round cairn building across British uplands and moor-lands during the second millennium BC.
The cairn sits upon bedrock of the South Wales Upper Coal Measures Formation, comprising mudstone, siltstone, sandstone, coal, ironstone and ferricrete dating to the Westphalian period. This geological foundation of mixed sedimentary and iron-rich strata would have influenced both the availability of building stone and the appearance of the surrounding landscape during the Bronze Age. The local geology would have been familiar to the communities who built and used this monument.
Brynbychan Round Cairn is now protected as a scheduled monument under Cadw, the Welsh Heritage Monuments service, where it is registered under reference GM286. This statutory protection recognises the archaeological and historical significance of the site as evidence of Bronze Age burial practice and social organisation in Wales. The monument survives as a tangible connection to prehistoric ritual and community identity.
Brynbychan Round Cairn is a scheduled monument protected by Cadw under reference GM286. View the official record →
Brynbychan Round Cairn is a prehistoric funerary monument consisting of a circular mound of stones constructed during the Bronze Age. It is designated a Scheduled Ancient Monument by Cadw under reference GM286.
Brynbychan Round Cairn dates from the prehistoric period, and is classified as a round cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Brynbychan Round Cairn 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 GM286.
Several scheduled monuments lie within 10 km, including Prehistoric Rock Art at Tai’r Waun Isaf (6.7 km), Ventilation Furnace, Trehafod (7.9 km), Hetty Pit (8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Brynbychan Round Cairn'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.
Brynbychan Round Cairn 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.