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Castle Cogan is a prehistoric enclosure situated in Wales and protected as a scheduled ancient monument by Cadw under reference CM083. The monument occupies ground underlain by Pridoli Rocks of undifferentiated composition, a geological formation comprising interbedded sandstone and conglomerate deposited during the Pridoli period. This solid bedrock foundation would have presented both opportunities and constraints for the monument's construction and use.
The enclosure represents a settlement or ceremonial site from the prehistoric period, when such defended or demarcated spaces served essential functions in early Welsh communities. The choice of this location reflects the settlers' understanding of their landscape: the underlying geology provided stable ground and potentially useful stone sources, whilst the topography would have influenced the positioning and form of the enclosure itself.
Today Castle Cogan survives as an archaeological record of prehistoric occupation and activity. Its legal protection recognises the archaeological significance of the site and the information it holds about early settlement patterns and land use in Wales. The monument contributes to understanding how prehistoric communities organised space and exploited their environment during this formative period of human activity in Britain.
Castle Cogan is a scheduled monument protected by Cadw under reference CM083. View the official record →
Castle Cogan is a prehistoric enclosure situated in Wales and protected as a scheduled ancient monument by Cadw under reference CM083.
Castle Cogan dates from the prehistoric period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Castle Cogan 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 CM083.
Several scheduled monuments lie within 10 km, including Yr Hen Gapel, Llanybri (1.7 km), Maen Melyn Standing Stone (2.3 km), Delacorse Uchaf Standing Stone (3 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castle Cogan'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.
Castle Cogan stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is sandstone and conglomerate, interbedded.