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Eglwyseg Mountain Round Barrow is a prehistoric burial mound situated on exposed moorland in Wales. The barrow occupies ground underlain by the Millstone Grit Group, a sequence of mudstone, siltstone and sandstone laid down during the Namurian period of the Carboniferous. This hard gritstone bedrock, which outcrops across much of the surrounding landscape, would have presented a challenging substrate for the monument's builders but offers excellent drainage on the elevated moorland site.
The barrow is a characteristic example of the round burial mounds constructed during the Bronze Age across Britain. Its position on high ground reflects a common choice for such monuments, which typically commanded views across their surrounding territories. The exposed moorland setting has preserved the mound without later agricultural development, allowing its original form to survive largely intact.
The site is protected as a scheduled ancient monument under Cadw, the Welsh heritage organisation, and is recorded under reference DE066. This designation recognises its archaeological significance as evidence of Bronze Age burial practice and territorial organisation in the Welsh uplands. The monument contributes to understanding prehistoric settlement patterns in this region of Wales.
Eglwyseg Mountain Round Barrow is a scheduled monument protected by Cadw under reference DE066. View the official record →
Eglwyseg Mountain Round Barrow is a prehistoric burial mound situated on exposed moorland in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference DE066.
Eglwyseg Mountain 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.
Eglwyseg Mountain 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 DE066.
Several scheduled monuments lie within 10 km, including Ffynnon-Las Wood Round Barrow (6.4 km), Offa's Dyke: Section N & S of Tan-y-Cut (7.4 km), Offa's Dyke: Section N & S of Plas-Offa (7.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Eglwyseg Mountain 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.
Eglwyseg Mountain Round Barrow stands on Millstone Grit Group [See Also Migr], bedrock that formed in the Namurian. The rock here is mudstone, siltstone and sandstone.