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Abersychnant Cairn is a prehistoric round barrow situated in Wales, constructed on bedrock composed of Dinantian limestone, sandstone and argillaceous rocks formed during the Mississippian period. The monument lies within a landscape shaped by these ancient geological foundations, which would have offered readily available stone for the cairn's construction. Round barrows of this type typically served as burial mounds for individuals of status during the Bronze Age, though some were constructed as early as the Neolithic period.
The cairn's position on Dinantian bedrock places it within a region whose underlying geology has supported human settlement and monument building for millennia. The limestone bedrock, together with surface stone deposits, provided the essential raw materials for constructing this substantial earthwork. The survival of the mound in the Welsh landscape reflects both the durability of its stone construction and the landscape's protective conditions.
Abersychnant Cairn is scheduled under the care of Cadw, the Welsh heritage agency, with the reference number DE264. This protection ensures the preservation of this Bronze Age monument for future study and public access, maintaining its archaeological integrity within the broader pattern of burial monuments distributed across the Welsh uplands and their underlying geological formations.
Abersychnant Cairn is a scheduled monument protected by Cadw under reference DE264. View the official record →
Abersychnant Cairn is a prehistoric round barrow situated in Wales, constructed on bedrock composed of Dinantian limestone, sandstone and argillaceous rocks formed during the Mississippian period. It is designated a Scheduled Ancient Monument by Cadw under reference DE264.
Abersychnant Cairn 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.
Abersychnant 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 DE264.
Several scheduled monuments lie within 10 km, including Creigiau Eglwyseg Cairn (5.3 km), Valle Crucis Abbey (6.2 km), Castell Dinas Bran (6.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Abersychnant 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.
Abersychnant Cairn stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.