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Dol-Wilym Burial Chamber is a prehistoric chambered tomb located in Wales and protected by Cadw under the reference CM031. The monument sits upon bedrock of Llanvirn age, composed of mudstone, siltstone and sandstone formed during the Whiterock period. This geological foundation of mixed sedimentary deposits reflects the varied lithology typical of the region's Ordovician geology.
As a chambered tomb, Dol-Wilym represents a form of monumental burial architecture common across prehistoric Britain and Ireland, constructed during the Neolithic and early Bronze Age periods. Such monuments typically comprised a stone-built internal chamber, often accessed through a passage, with the structure then covered by a substantial cairn or mound of earth and rubble. The use of locally available stone for construction would have been practical given the site's situation on exposed bedrock.
The survival of Dol-Wilym as a protected monument reflects its archaeological significance as evidence of prehistoric burial practices and social organisation. The site contributes to understanding of the widespread adoption of communal burial practices across Wales during the Neolithic period, whilst the underlying geology demonstrates the relationship between monument placement and local stone availability. Its protection ensures continued preservation of this important archaeological record.
Dol-Wilym Burial Chamber is a scheduled monument protected by Cadw under reference CM031. View the official record →
Dol-Wilym Burial Chamber is a prehistoric chambered tomb located in Wales and protected by Cadw under the reference CM031.
Dol-Wilym Burial Chamber dates from the prehistoric period, and is classified as a chambered tomb. It is one of over 32,000 scheduled monuments protected across the UK.
Dol-Wilym Burial Chamber 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 CM031.
Several scheduled monuments lie within 10 km, including St Canna's Chair (6.9 km), Llangan Church Cropmark Enclosure (7 km), Roman Road 300m East of Bryn Farm (7.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Dol-Wilym Burial Chamber'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.
Dol-Wilym Burial Chamber stands on Llanvirn Rocks (Undifferentiated), bedrock that formed in the Whiterock. The rock here is mudstone, siltstone and sandstone.