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Llanddyfnan Standing Stone is a prehistoric standing stone located in Wales and protected by Cadw under the reference AN071. The monument rises from land underlain by Dinantian rocks of Mississippian age, a sequence of limestone with subordinate sandstone and argillaceous deposits that form the solid geology of this region. These ancient sedimentary formations, laid down in tropical seas hundreds of millions of years before the stone was erected, provide the local stone resources that would have been available to prehistoric communities.
The standing stone belongs to a class of monuments erected during the prehistoric period, likely spanning the Neolithic through Bronze Age. Such stones were commonly raised for ritual, territorial or commemorative purposes, and their presence across the Welsh landscape reflects the practices and beliefs of early farming and metal-working societies. The monument's survival to the present day, maintained under statutory protection, preserves evidence of prehistoric land use and cultural practice at this specific location.
The Cadw designation ensures the stone's long-term conservation and accessibility to the public. Its setting within the Mississippian limestone bedrock links the monument physically to the geological substrate of the Welsh uplands, grounding prehistoric settlement and ceremonial activity within the distinctive landscape that has shaped human occupation of this region for millennia.
Llanddyfnan Standing Stone is a scheduled monument protected by Cadw under reference AN071. View the official record →
Llanddyfnan Standing Stone is a prehistoric standing stone located in Wales and protected by Cadw under the reference AN071.
Llanddyfnan 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.
Llanddyfnan 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 AN071.
Several scheduled monuments lie within 10 km, including Plas Berw (7.7 km), Gorad Ddu Fish Weir (8.2 km), Tyddyn-Bach Standing Stone (8.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Llanddyfnan 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.
Llanddyfnan Standing Stone stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.