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Carreg Castell-y-Gwynt Burial Chamber is a prehistoric round cairn located in Wales. The monument sits upon bedrock of Ashgill Rocks, composed of mudstone, siltstone and sandstone deposits laid down during the Ashgill period. This solid geological foundation provided a stable base for the construction and long-term survival of the cairn structure. The site is protected as a scheduled monument under Cadw, the Welsh historic monuments authority, with the reference number CM044.
Round cairns of this type were constructed during the Bronze Age as burial monuments, their stone mounds serving to mark and contain interred remains. The name Carreg Castell-y-Gwynt, translating to the Stone of the Wind Castle, reflects the monument's prominent position within the Welsh landscape. Such cairns often contained stone-built burial chambers or cists within their mounds, though the specific internal arrangements of this example would require archaeological investigation to determine.
The survival of Carreg Castell-y-Gwynt across millennia owes much to its stone construction and the stable Ashgill bedrock beneath. As a protected monument under Cadw's stewardship, it remains an important record of prehistoric burial practices in Wales and continues to form part of the archaeological heritage of the region.
Carreg Castell-y-Gwynt Burial Chamber is a scheduled monument protected by Cadw under reference CM044. View the official record →
Carreg Castell-y-Gwynt Burial Chamber is a prehistoric round cairn located in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CM044.
Carreg Castell-y-Gwynt Burial Chamber dates from the prehistoric period, and is classified as a round cairn. It is one of over 32,000 scheduled monuments protected across the UK.
Carreg Castell-y-Gwynt 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 CM044.
Several scheduled monuments lie within 10 km, including Y Garn Ring Cairn (1 km), Dyffryn Camp (4.1 km), Llech Ciste Standing Stone (4.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Carreg Castell-y-Gwynt 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.
Carreg Castell-y-Gwynt Burial Chamber stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.