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Nant-y-Garw Lead Mine is a post-medieval and modern industrial site in Wales, developed to extract lead from mineral-rich deposits hosted within the local geology. The mine lies on bedrock comprising Ashgill Rocks, undifferentiated strata of mudstone, siltstone and sandstone formed during the Ashgill period. These sedimentary sequences, common to much of mid and south Wales, frequently hosted economically significant mineral veins that attracted mining activity from the medieval period onwards.
Lead mining expanded substantially during the post-medieval period as demand for the metal grew across Britain. At Nant-y-Garw, miners exploited the naturally occurring ore deposits through underground workings and surface operations typical of the era. The site's survival and protection reflect its importance as evidence of Wales's substantial contribution to British lead production, particularly during periods of intensive industrial development.
The monument is protected by Cadw, the Welsh Historic Monuments service, under reference BR233. This designation ensures that the physical remains of mining infrastructure, shafts, spoil heaps and associated features are preserved for their historical and archaeological significance. The site documents the technology, labour and enterprise involved in extracting mineral wealth from the Welsh landscape during the post-medieval and modern periods.
Nant-y-Garw Lead Mine is a scheduled monument protected by Cadw under reference BR233. View the official record →
Nant-y-Garw Lead Mine is a post-medieval and modern industrial site in Wales, developed to extract lead from mineral-rich deposits hosted within the local geology. It is designated a Scheduled Ancient Monument by Cadw under reference BR233.
Nant-y-Garw Lead Mine dates from the post medieval/modern period, and is classified as a lead mine. It is one of over 32,000 scheduled monuments protected across the UK.
Nant-y-Garw Lead Mine 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 BR233.
Several scheduled monuments lie within 10 km, including Hafod Rhiwnant Deserted Rural Settlement (0.6 km), Drygarn Fach round cairn (4.4 km), Gorllwyn round cairns (4.5 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Nant-y-Garw Lead Mine'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-y-Garw Lead Mine stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.