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Llan-Marlais Round Barrow is a prehistoric funerary monument set on the Llanvirn mudstones, siltstones and sandstones that form the underlying bedrock of this part of Wales. The barrow belongs to a tradition of burial mound construction that flourished across Britain during the Bronze Age, though such monuments were sometimes raised over earlier Neolithic burials. The natural geology at the site—yielding sedimentary rocks suitable for working and building—would have been known to prehistoric communities, and the slightly elevated ground provided a naturally prominent location for a burial marker within the local landscape.
Round barrows typically served as focal points for burial rituals and may have been used repeatedly over generations, making them significant centres of social and ceremonial practice. The size and form of the Llan-Marlais barrow would have been visible across the surrounding terrain, serving both as a monument to the dead and as a marker of territorial or community identity.
The barrow is now protected by Cadw, the heritage organisation responsible for Wales's most important archaeological monuments. This designation ensures that this important Bronze Age burial site is preserved for future study and remains a tangible connection to Wales's prehistoric past.
Llan-Marlais Round Barrow is a scheduled monument protected by Cadw under reference PE327. View the official record →
Llan-Marlais Round Barrow is a prehistoric funerary monument set on the Llanvirn mudstones, siltstones and sandstones that form the underlying bedrock of this part of Wales. It is designated a Scheduled Ancient Monument by Cadw under reference PE327.
Llan-Marlais 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.
Llan-Marlais 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 PE327.
Several scheduled monuments lie within 10 km, including New House Round Barrows (5.4 km), Castle Heli Mound (6 km), Longstone Camp (7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Llan-Marlais 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.
Llan-Marlais Round Barrow stands on Llanvirn Rocks (Undifferentiated), bedrock that formed in the Whiterock. The rock here is mudstone, siltstone and sandstone.