© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Crugiau Leir Round Barrows is a prehistoric round barrow located in Wales and protected by Cadw as a scheduled monument. The site sits upon Llandovery Rocks, ancient bedrock composed of interbedded sandstone and conglomerate formations laid down during the Llandovery period of the Palaeozoic era. These underlying geological strata would have been accessible to prehistoric peoples, offering stone suitable for burial construction and tool-making.
Round barrows of this type typically date to the Bronze Age, serving as burial monuments for individuals of standing within their communities. The solid sandstone and conglomerate foundation provided a stable base for the earthwork and stone construction that characterises such monuments. The Llandovery bedrock's composition of mixed stone types would have been exploited during the barrow's construction, with larger stones incorporated into the structure or cairn.
As a scheduled monument registered with Cadw under reference CM163, Crugiau Leir Round Barrows remains subject to statutory protection in recognition of its archaeological significance. The site preserves evidence of Bronze Age burial practice and settlement patterns in Wales, contributing to understanding of prehistoric communities in this landscape. Its survival on the Llandovery Rocks geology offers potential for future archaeological investigation of both the monument and its geological setting.
Crugiau Leir Round Barrows is a scheduled monument protected by Cadw under reference CM163. View the official record →
Crugiau Leir Round Barrows is a prehistoric round barrow located in Wales and protected by Cadw as a scheduled monument. It is designated a Scheduled Ancient Monument by Cadw under reference CM163.
Crugiau Leir Round Barrows 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.
Crugiau Leir Round Barrows 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 CM163.
Several scheduled monuments lie within 10 km, including Mynydd Llanfihangel Rhos-y-Corn Round Barrow (1.5 km), Crug y Bedw, S of Blaen-Rhyd-Fedw (1.7 km), Crug y Biswal Round Barrow (2.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Crugiau Leir Round Barrows'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.
Crugiau Leir Round Barrows stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is sandstone and conglomerate, interbedded.