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Penbryn Mawr is a Bronze Age standing stone located in Wales and protected by Cadw under reference CN373. The monument stands upon bedrock of Neoproterozoic felsic tuff, an ancient volcanic rock formed during the Neoproterozoic era hundreds of millions of years before the stone's erection. This geological foundation of acidic extrusive rock would have been well known to Bronze Age communities in the region, who selected this location for reasons combining practical accessibility and potential ritual significance.
Bronze Age standing stones of Wales typically served commemorative or territorial functions, marking boundaries, burial sites, or sacred locations within the landscape. Penbryn Mawr's positioning on volcanic bedrock distinguishes it geologically from many contemporary monuments elsewhere in Britain, reflecting the varied geological contexts across which Bronze Age peoples constructed their sacred monuments.
The stone's preservation and scheduling by Cadw ensures protection for this Bronze Age heritage site, which contributes to understanding the monumental practices and landscape use of Bronze Age communities in Wales. Its survival across three millennia provides evidence of continuity in the occupation and meaning-making of the Welsh landscape during and after the Bronze Age.
Penbryn Mawr standing stone is a scheduled monument protected by Cadw under reference CN373. View the official record →
Penbryn Mawr is a Bronze Age standing stone located in Wales and protected by Cadw under reference CN373.
Penbryn Mawr standing stone dates from the bronze age period, and is classified as a standing stone. It is one of over 32,000 scheduled monuments protected across the UK.
Penbryn Mawr standing stone 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 CN373.
Several scheduled monuments lie within 10 km, including Enclosed Hut Group North West of Cwm Farm (8.3 km), Llystyn Gwyn Inscribed Stone (8.6 km), Burnt Mound East of Pen-y-Gaer (8.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Penbryn Mawr standing stone'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.
Penbryn Mawr standing stone stands on Unnamed Extrusive Rocks, Neoproterozoic, bedrock that formed in the Neoproterozoic. The rock here is felsic tuff.