© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw
Nantymaen Standing Stone is a prehistoric standing stone situated in Wales, protected as a scheduled monument by Cadw under reference CD243. The stone stands on bedrock composed of Llandovery rocks, undifferentiated sandstone and conglomerate that were formed during the Llandovery period and interbedded in its geology. This geological foundation is typical of mid-Wales, where such Ordovician-era rocks provide the underlying substrate for many Bronze Age and earlier monuments.
Standing stones of this type were erected during the Bronze Age or possibly the Late Neolithic period, serving purposes that remain partly enigmatic but likely connected to territorial markers, ritual sites, or ceremonial practices. The monument would have been deliberately positioned to be visible across the landscape, and its enduring presence across millennia speaks to the permanence these communities sought to impose upon their environment.
The protection afforded to Nantymaen Standing Stone by Cadw ensures the preservation of this tangible link to Wales's prehistoric past. Such monuments contribute significantly to understanding the cultural landscape and social organization of ancient Welsh communities, reflecting choices made by people who shaped the land over four thousand years ago.
Nantymaen Standing Stone is a scheduled monument protected by Cadw under reference CD243. View the official record →
Nantymaen Standing Stone is a prehistoric standing stone situated in Wales, protected as a scheduled monument by Cadw under reference CD243.
Nantymaen 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.
Nantymaen 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 CD243.
Several scheduled monuments lie within 10 km, including Llethr Bryn y Gorlan Platform (4.8 km), Blaen Nant-y-Rhiw Round Cairn (4.9 km), Nant Gwyddel Deserted Rural Settlement (5.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Nantymaen 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.
Nantymaen Standing Stone stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is sandstone and conglomerate, interbedded.