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Crug Swllt Round Barrow is a prehistoric round barrow situated in Wales and protected by Cadw as a scheduled monument under reference PE364. The barrow sits upon bedrock of Pridoli rocks—undifferentiated mudstone, siltstone and sandstone formed during the Pridoli geological period. These relatively soft sedimentary strata would have presented both practical advantages and challenges for Neolithic or Bronze Age communities constructing a burial monument at this location.
Round barrows of this type served as communal or individual burial monuments, typically constructed by mounding earth and stone over interred remains. The monument's position on Pridoli geology suggests that Bronze Age builders may have quarried local stone and earth from the immediate landscape to create the mound structure. The underlying geology of mixed clay and sandy materials would have influenced the character and longevity of the earthwork.
The barrow survives as a landscape feature indicative of prehistoric settlement and burial practices in Wales. Its scheduled protection recognises its archaeological significance and potential to yield evidence of Bronze Age funerary tradition, social organisation and the use of this terrain by early Welsh communities. The monument contributes to the archaeological record of the region's deep past.
Crug Swllt Round Barrow is a scheduled monument protected by Cadw under reference PE364. View the official record →
Crug Swllt Round Barrow is a prehistoric round barrow situated in Wales and protected by Cadw as a scheduled monument under reference PE364.
Crug Swllt 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.
Crug Swllt 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 PE364.
Several scheduled monuments lie within 10 km, including Longstone Camp (3.6 km), The Castle, Woodreefe (3.9 km), Trelessy Defended Enclosure (4.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Crug Swllt 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.
Crug Swllt Round Barrow stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is mudstone, siltstone and sandstone.