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Nant Brook Enclosure is a prehistoric earthwork of unknown date and purpose located in Wales. The site comprises an enclosure whose original form and function remain uncertain, though its preservation under Cadw protection indicates archaeological significance. The monument lies upon Llanvirn bedrock, a formation of mudstone, siltstone and sandstone deposited during the Whiterock period, which would have influenced both the site's drainage characteristics and the availability of stone for construction.
The enclosure's position in the Welsh landscape reflects the broader pattern of prehistoric settlement and land use in the region. The underlying geology would have shaped how the monument was built and maintained, with the mixed sedimentary bedrock providing variable conditions for the creation and survival of earthwork features. The specific geological composition of the site contributes to understanding how communities adapted their constructional practices to local conditions.
Nant Brook Enclosure is designated as a protected monument under Cadw reference RD147, recognising its importance to the archaeological heritage of Wales. The site's uncertain chronology and purpose make it a valuable subject for future archaeological study, as it may contribute to broader understanding of settlement patterns and land organisation in prehistoric Wales. The monument's survival demonstrates the value of statutory protection for monuments whose full significance has yet to be established.
Nant Brook Enclosure is a scheduled monument protected by Cadw under reference RD147. View the official record →
Nant Brook Enclosure is a prehistoric earthwork of unknown date and purpose located in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference RD147.
Nant Brook Enclosure dates from the unknown period, and is classified as a enclosure. It is one of over 32,000 scheduled monuments protected across the UK.
Nant Brook 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 RD147.
Several scheduled monuments lie within 10 km, including Cwmblaenerw Enclosed Long Hut (7.4 km), Cwmblaenerw House Platforms (8.3 km), Six Stones Stone Circle (8.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Nant Brook 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.
Nant Brook Enclosure stands on Llanvirn Rocks (Undifferentiated), bedrock that formed in the Whiterock. The rock here is mudstone, siltstone and sandstone.