© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Pant-Glas Round Barrow is a prehistoric round barrow located in Wales and protected by Cadw under reference CM133. Round barrows of this type were built during the Bronze Age as burial monuments, typically comprising an earthen or stone mound raised over a central burial chamber. Such monuments often served as focal points within the landscape, visible markers for ancestral communities across generations.
The barrow sits upon Ashgill Rocks, a bedrock of Ordovician age composed of mudstone, siltstone and sandstone. This geology provided both the subsurface foundation and, potentially, stone sources for the monument's construction. The Ashgill formation's relatively soft sedimentary character would have been easier for prehistoric builders to work with than harder igneous rocks, whilst the exposed stone outcrops may have supplied material for any stone elements incorporated into the barrow's structure.
As a protected monument under Cadw's stewardship, Pant-Glas retains archaeological significance for understanding Bronze Age burial practices and ceremonial landscape use in Wales. The site contributes to our knowledge of prehistoric settlement patterns and social organisation across the region, with its survival offering opportunities for future research into the monument's construction and the communities that built it.
Pant-Glas Round Barrow is a scheduled monument protected by Cadw under reference CM133. View the official record →
Pant-Glas Round Barrow is a prehistoric round barrow located in Wales and protected by Cadw under reference CM133.
Pant-Glas 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.
Pant-Glas 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 CM133.
Several scheduled monuments lie within 10 km, including Hafod Camp (3.6 km), Gelli Diogyn Hillfort (5 km), Lan Enclosure (5.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pant-Glas 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.
Pant-Glas Round Barrow stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.