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Enclosures East of Afon Llia is a medieval agricultural enclosure located in Wales, protected as a scheduled monument under Cadw reference BR258. The site lies upon Lower Devonian bedrock comprising sandstone and conglomerate deposits laid down in the Early Devonian period, creating a foundation of interbedded strata typical of this geological sequence. The underlying geology would have influenced both the drainage characteristics and the practical difficulties of cultivating this upland terrain during the medieval period.
The enclosure represents the medieval settlement and farming practices of Wales, where communities organised their agricultural land through deliberate boundary systems. Such enclosures typically functioned to contain livestock, demarcate arable strips, or define individual holdings within the wider landscape. The proximity to Afon Llia would have provided essential water supply and may have influenced the location and layout of the enclosure.
The monument survives as an earthwork feature within the modern Welsh landscape, bearing witness to centuries of agricultural organisation and land use. Its preservation under statutory protection recognises the importance of understanding how medieval communities adapted to and exploited this particular terrain, transforming the natural Devonian bedrock landscape into organised and productive farmland.
Enclosures East of Afon Llia is a scheduled monument protected by Cadw under reference BR258. View the official record →
Enclosures East of Afon Llia is a medieval agricultural enclosure located in Wales, protected as a scheduled monument under Cadw reference BR258.
Enclosures East of Afon Llia dates from the medieval period, and is classified as a enclosure - agricultural. It is one of over 32,000 scheduled monuments protected across the UK.
Enclosures East of Afon Llia 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 BR258.
Several scheduled monuments lie within 10 km, including Twyn Bryn Glas round cairn (8.9 km), Nant-Maden Round Cairn (8.9 km), Cwm Cadlan Settlement and Field System (9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Enclosures East of Afon Llia'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.
Enclosures East of Afon Llia stands on Lower Devonian Rocks (Undifferentiated), bedrock that formed in the Early Devonian. The rock here is sandstone and conglomerate, interbedded.