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Pen-y-Garn-Goch Long Barrow is a prehistoric round barrow situated in Wales, protected as a scheduled monument under Cadw reference BR066. The monument stands upon bedrock composed of mafic igneous rock, part of an unnamed Ordovician to Silurian igneous intrusion formed during the Silurian period. This geological foundation of volcanic origin reflects the region's ancient geological history and would have been a visible feature of the landscape known to the Neolithic and Bronze Age communities who constructed the barrow.
Round barrows served as burial monuments, typically constructed during the Bronze Age and earlier periods across Britain and Wales. Their enduring presence in the Welsh landscape marks significant ritual and ceremonial sites where communities interred their dead and commemorated the deceased. The positioning of Pen-y-Garn-Goch upon this distinctive igneous bedrock suggests the location held particular significance for its builders.
Today the monument survives as a substantial earthwork, testament to prehistoric funerary practices and settlement patterns in Wales. Its protection by Cadw ensures preservation of this important archaeological resource for future study and interpretation of Bronze Age society and burial customs in the region.
Pen-y-Garn-Goch Long Barrow is a scheduled monument protected by Cadw under reference BR066. View the official record →
Pen-y-Garn-Goch Long Barrow is a prehistoric round barrow situated in Wales, protected as a scheduled monument under Cadw reference BR066.
Pen-y-Garn-Goch Long 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.
Pen-y-Garn-Goch Long 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 BR066.
Several scheduled monuments lie within 10 km, including Cwm Irfon Standing Stone (2.7 km), Cambrian Factory Standing Stone (2.8 km), Caerau Castle Mound (3.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pen-y-Garn-Goch Long 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.
Pen-y-Garn-Goch Long Barrow stands on Unnamed Igneous Intrusion, Ordovician To Silurian, bedrock that formed in the Silurian. The rock here is mafic igneous-rock.