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Sand Hill round cairn is a prehistoric mound monument comprising stones gathered and piled into a circular form. The cairn sits on bedrock of Millstone Grit Group, a formation of mudstone, siltstone and sandstone laid down during the Namurian period, whose harder strata would have provided suitable stone for construction. Round cairns of this type are characteristic burial monuments of Bronze Age communities, typically dating between approximately 2200 and 700 BC, though some may have earlier or later use.
The monument is located in Wales and is protected as a scheduled ancient monument under Cadw reference BR331, recognising its archaeological importance and statutory status. The underlying geology of the site, dominated by the Namurian Millstone Grit Group, would have shaped both the availability of building materials and the visual character of the monument within its landscape.
As with many round cairns, the original interior arrangements and any associated deposits remain largely unknown without excavation. The survival of the monument testifies to its construction in solid stone, a durable material that has allowed such Bronze Age burial places to persist for over three thousand years across the Welsh countryside.
Sand Hill round cairn is a scheduled monument protected by Cadw under reference BR331. View the official record →
Sand Hill round cairn is a prehistoric mound monument comprising stones gathered and piled into a circular form. It is designated a Scheduled Ancient Monument by Cadw under reference BR331.
Sand Hill 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.
Sand Hill 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 BR331.
Several scheduled monuments lie within 10 km, including Pillow Mounds at Pant Mawr (1.8 km), Dyffryn Nedd (3.2 km), Carnau Gwynion cairn cemetery (3.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Sand Hill 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.
Sand Hill round cairn stands on Millstone Grit Group [See Also Migr], bedrock that formed in the Namurian. The rock here is mudstone, siltstone and sandstone.