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Mynydd Crwn standing stone is a prehistoric monument located in Wales, protected by Cadw under reference PE500. The stone rises from bedrock composed of Arenig Rocks, a formation of mudstone, siltstone and sandstone laid down during the Arenigian period. This geological foundation is characteristic of upland Wales and would have been a familiar landscape to the prehistoric communities who erected such monuments.
Standing stones of this type were raised during the Bronze Age and earlier periods, serving purposes that likely encompassed territorial markers, burial monuments or ritual focal points within the wider landscape. Their persistence across millennia speaks to the significance they held for successive generations. Mynydd Crwn's position within this ancient terrain connects it to the broader tradition of megalithic monument-building that characterised prehistoric Britain and Ireland.
The monument's survival to the present day, despite the weathering forces acting upon stone across thousands of years, reflects both the durability of its materials and the protection afforded by its designated status. Cadw's stewardship ensures that this tangible link to Wales's prehistoric past remains accessible to those seeking to understand the beliefs and social structures of early Welsh communities.
Mynydd Crwn standing stone is a scheduled monument protected by Cadw under reference PE500. View the official record →
Mynydd Crwn standing stone is a prehistoric monument located in Wales, protected by Cadw under reference PE500.
Mynydd Crwn standing stone dates from the prehistoric period, and is classified as a standing stone. It is one of over 32,000 scheduled monuments protected across the UK.
Mynydd Crwn 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 PE500.
Several scheduled monuments lie within 10 km, including Posty Defended Enclosure (6.8 km), Rhiwiau Round Barrow (6.8 km), Castell-y-Fran (7.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Mynydd Crwn 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.
Mynydd Crwn standing stone stands on Arenig Rocks (Undifferentiated), bedrock that formed in the Arenigian. The rock here is mudstone, siltstone and sandstone.