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Garn-Fawr Tumuli and Enclosure is a prehistoric round barrow situated in Wales, protected by Cadw under reference CM038. The monument occupies ground underlain by Ashgill Rocks, a formation of mudstone, siltstone and sandstone dating to the Ashgill period. This solid geology would have provided a stable foundation for the earthwork's construction and has contributed to the survival of the site's form.
The barrow comprises a central mound accompanied by an enclosing ditch or bank, a configuration common to Bronze Age funerary monuments across Britain. The Ashgill bedrock's variable composition—mixing fine silts and muds with more resilient sandstone—would have influenced both the ease of digging the enclosure and the character of soil available for the mound's construction. The stone-rich nature of the underlying geology may have provided materials incorporated into the barrow's structure.
As a scheduled monument under Cadw's stewardship, Garn-Fawr Tumuli and Enclosure represents an important record of prehistoric burial practice in Wales. The site's survival on the Welsh landscape, despite millennia of landscape change, testifies to the substantial nature of its construction. The monument's precise topographical setting and relationship to the underlying bedrock remain key to understanding its original function and significance within its prehistoric community.
Garn-Fawr Tumuli & Enclosure is a scheduled monument protected by Cadw under reference CM038. View the official record →
Garn-Fawr Tumuli and Enclosure is a prehistoric round barrow situated in Wales, protected by Cadw under reference CM038.
Garn-Fawr Tumuli & Enclosure 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.
Garn-Fawr Tumuli & Enclosure 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 CM038.
Several scheduled monuments lie within 10 km, including Trebersed Moated Site (4.4 km), The Bulwarks (Civil War) (4.4 km), Carmarthen Castle (4.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Garn-Fawr Tumuli & Enclosure'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.
Garn-Fawr Tumuli & Enclosure stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.