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Tyddyn Bleiddyn Burial Chamber is a prehistoric chambered long cairn situated on Dinantian limestone bedrock in Wales. The underlying geology of limestone with subordinate sandstone and argillaceous rocks, formed during the Mississippian period, would have shaped both the construction materials and the stability of the monument. Like other long cairns of the Neolithic period, this structure served as a communal burial place, its elongated mound marking a significant ritual and ceremonial site within the landscape.
The chamber itself represents the architectural tradition of megalithic tomb-building that characterises the Neolithic in Wales. Constructed from stone, the burial chamber would have been built to last, its internal passages and chambers designed for repeated use and access across generations. The scale and permanence of such monuments reflect the organised labour and social cohesion required for their construction.
The site is protected as a scheduled monument by Cadw, the Welsh Historic Monuments organisation, under reference DE007. This statutory protection recognises its importance as an archaeological and heritage asset. The cairn remains a significant physical expression of Neolithic burial practice and community identity, preserving evidence of prehistoric settlement and ritual activity in the Welsh landscape.
Tyddyn Bleiddyn Burial Chamber is a scheduled monument protected by Cadw under reference DE007. View the official record →
Tyddyn Bleiddyn Burial Chamber is a prehistoric chambered long cairn situated on Dinantian limestone bedrock in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference DE007.
Tyddyn Bleiddyn Burial Chamber dates from the prehistoric period, and is classified as a chambered long cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Tyddyn Bleiddyn 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 DE007.
Several scheduled monuments lie within 10 km, including Old Foxhall Round Barrow (5.7 km), Denbigh Friary Church (7.9 km), Denbigh Town Walls (7.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Tyddyn Bleiddyn 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.
Tyddyn Bleiddyn Burial Chamber stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.