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Moelfre round barrow is a prehistoric burial monument situated in Wales and protected by Cadw under reference MG311. The barrow was constructed on bedrock comprising Llandovery rocks—an undifferentiated sequence of mudstone, siltstone and sandstone formed during the Llandovery period of the Palaeozoic era. This geological foundation of mixed sedimentary deposits would have presented both opportunities and challenges to the Neolithic or Bronze Age communities who built the monument, affecting drainage patterns and the character of the surrounding soil.
Round barrows are among the most visible prehistoric monuments in the British landscape, typically serving as burial mounds for individuals of status or their kinship groups. Built across a period spanning the late Neolithic through to the Iron Age, they often contain inhumations or cremations, sometimes accompanied by pottery and other grave goods reflecting the beliefs and material culture of their time.
The barrow's survival to the present day, despite millennia of agricultural use and natural weathering across the Welsh landscape, testifies to its substantial original construction. The specific geology beneath Moelfre would have influenced both the monument's initial form and its preservation, as the properties of the underlying mudstone, siltstone and sandstone shaped how the barrow's earthwork has endured.
Moelfre round barrow is a scheduled monument protected by Cadw under reference MG311. View the official record →
Moelfre round barrow is a prehistoric burial monument situated in Wales and protected by Cadw under reference MG311.
Moelfre 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.
Moelfre 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 MG311.
Several scheduled monuments lie within 10 km, including Cefn Llwyd Round Barrow and standing stone (6.2 km), Y Ffridd Round Barrow (6.8 km), Hengwm Ring Cairns (7.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Moelfre 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.
Moelfre round barrow stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.