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Mynydd Mallaen Standing Stone is a prehistoric standing stone located in Wales and protected by Cadw under reference CM301. The monument stands within an area of varied geology, with Llandovery Rocks forming the bedrock beneath the site. These rocks, composed of interbedded sandstone and conglomerate, were laid down during the Llandovery period and have weathered over millions of years to create the landscape in which the stone was erected.
Standing stones such as this typically date to the Neolithic or Bronze Age and served as territorial markers, ritual monuments or burial markers within their communities. The choice of location on Mynydd Mallaen would have been significant to those who raised it, commanding views across the surrounding terrain. The local geology provided stone suitable for such monuments, though the effort required to quarry, transport and erect such a stone demonstrates the importance placed upon it.
Today the standing stone remains a testament to the prehistoric peoples who inhabited this part of Wales. Its survival and protection reflect the archaeological and cultural importance of such monuments in understanding early Welsh settlement patterns and ritual practice. The stone continues to dominate its moorland setting as it has for thousands of years.
Mynydd Mallaen Standing Stone is a scheduled monument protected by Cadw under reference CM301. View the official record →
Mynydd Mallaen Standing Stone is a prehistoric standing stone located in Wales and protected by Cadw under reference CM301.
Mynydd Mallaen 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 Mallaen 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 CM301.
Several scheduled monuments lie within 10 km, including Annell Aqueduct (upper section) (4.1 km), Nantiwrch round barrow (5.8 km), Roman Road c. 250m SSW of Gilwen Farm (6.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Mynydd Mallaen 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 Mallaen Standing Stone stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is sandstone and conglomerate, interbedded.