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Cairn Groups on Garn Fawr is a prehistoric ring cairn situated in Wales, protected as a scheduled monument under Cadw reference CM224. The monument lies upon bedrock of Llandovery sandstone and conglomerate, geological formations dating to the Llandovery period that provide the raw material for the cairn's construction. These indurated sedimentary rocks, naturally fractured and weathered into workable stone, would have been gathered from the immediate landscape to build the monument.
Ring cairns of this type typically date to the Bronze Age and served ceremonial or funerary purposes. They consist of a circular or near-circular arrangement of stones defining an enclosed central space, distinguishing them from simple burial mounds. The stone composition at Garn Fawr reflects the local geology, with blocks drawn from the surrounding Llandovery bedrock giving the cairn its characteristic appearance and anchoring it firmly to its landscape.
The monument's survival and protection under Cadw recognise its archaeological significance as evidence of prehistoric settlement and ritual activity in Wales. The ring cairn form, combined with its upland setting, indicates the extent to which Bronze Age communities utilised the higher ground, adapting their constructional practices to the stone resources available in their immediate environment.
Cairn Groups on Garn Fawr is a scheduled monument protected by Cadw under reference CM224. View the official record →
Cairn Groups on Garn Fawr is a prehistoric ring cairn situated in Wales, protected as a scheduled monument under Cadw reference CM224.
Cairn Groups on Garn Fawr dates from the prehistoric period, and is classified as a ring cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Cairn Groups on Garn Fawr 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 CM224.
Several scheduled monuments lie within 10 km, including Hut at upper end of Annell Roman Aqueduct (5.1 km), Annell Aqueduct (upper section) (5.4 km), Cothi Roman Aqueduct (5.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Cairn Groups on Garn Fawr'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.
Cairn Groups on Garn Fawr stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is sandstone and conglomerate, interbedded.