© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Maen Chwyf is a prehistoric chambered tomb located in Wales and protected by Cadw as a scheduled ancient monument under reference AN076. The structure stands upon bedrock of Silurian ultramafitite, part of an Ordovician to Silurian igneous intrusion. This geological foundation of hard, dark igneous stone would have presented both challenge and resource to the Neolithic and Early Bronze Age communities who built and used the tomb.
Chambered tombs of this type represent a significant investment of labour and communal organisation, serving as monumental repositories for the dead and likely functioning as territorial markers and gathering places for ritual purposes. The tomb's construction, using materials available from the surrounding landscape, reflects the subsistence and technological capabilities of prehistoric Welsh societies.
The monument's survival to the present day, despite millennia of exposure to the Welsh climate and landscape change, testifies to the durability of its stone construction. Its protected status recognises the archaeological and cultural importance of such monuments as evidence of Wales's deep prehistory and the development of sedentary communities during the Neolithic period.
Maen Chwyf is a scheduled monument protected by Cadw under reference AN076. View the official record →
Maen Chwyf is a prehistoric chambered tomb located in Wales and protected by Cadw as a scheduled ancient monument under reference AN076.
Maen Chwyf 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.
Maen Chwyf 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 AN076.
Several scheduled monuments lie within 10 km, including Llys Einion Standing Stone (0.3 km), Carreg Leidr (2 km), Llech Golman (3.3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Maen Chwyf'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.
Maen Chwyf stands on Unnamed Igneous Intrusion, Ordovician To Silurian, bedrock that formed in the Silurian. The rock here is ultramafitite.