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Plas Uchaf Enclosure is a prehistoric enclosure located in Wales and protected by Cadw as a scheduled monument under reference DE227. The site sits upon bedrock composed of Caradoc Rocks, undifferentiated mudstone, siltstone and sandstone formations dating to the Caradocian period. This geology would have provided locally available stone for construction and has influenced the landscape character throughout the monument's existence.
The enclosure represents a form of prehistoric settlement or ritual boundary common across prehistoric Britain and Wales. Its defensive or delimiting earthworks would have been constructed by communities exploiting the resources of this upland terrain. The underlying geology, typical of the wider Welsh landscape, shaped both the practicalities of construction and the subsistence economy of those who built and occupied the site.
Today, the monument remains a significant record of prehistoric land use and social organisation in Wales. Its scheduled protection recognises its archaeological importance as evidence of early settlement patterns and community organisation during the prehistoric period. The site contributes to our understanding of how prehistoric populations adapted to and modified the Welsh landscape.
Plas Uchaf Enclosure is a scheduled monument protected by Cadw under reference DE227. View the official record →
Plas Uchaf Enclosure is a prehistoric enclosure located in Wales and protected by Cadw as a scheduled monument under reference DE227.
Plas Uchaf Enclosure dates from the prehistoric period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Plas Uchaf Enclosure 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 DE227.
Several scheduled monuments lie within 10 km, including Domen Castell Mound & Bailey Castle (4.3 km), Derwlwyn Coppice Hillfort (5.1 km), Soldier's Mount (5.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Plas Uchaf Enclosure'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.
Plas Uchaf Enclosure stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.