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Blaen Cwmsymlog Lead and Silver Mine is a post-medieval and modern extraction site in Wales, exploiting the mineral potential of Llandovery bedrock. The surrounding geology comprises mudstone, siltstone and sandstone laid down during the Llandovery period, strata which host the lead and silver mineralisation that drew miners to this location. The site lies within one of Wales's historic mining regions, where such deposits supported industrial activity from the medieval period onwards.
The mine workings at Blaen Cwmsymlog represent the technological and commercial responses to lead and silver demand during the post-medieval era and beyond. Surface features including spoil heaps, shaft collars and adits record the extraction methods employed over successive periods of operation. The transition from small-scale medieval working to more intensive modern exploitation is reflected in the archaeology of the site.
The monument is protected by Cadw, the Welsh Historic Monuments service, under reference CD201, recognising its significance as evidence of Welsh industrial heritage and the long history of metal extraction in the region. The survival of surface features and subsurface workings provides insights into mining technology, labour organisation and the economic importance of lead and silver production to local and wider communities.
Blaen Cwmsymlog Lead and Silver Mine is a scheduled monument protected by Cadw under reference CD201. View the official record →
Blaen Cwmsymlog Lead and Silver Mine is a post-medieval and modern extraction site in Wales, exploiting the mineral potential of Llandovery bedrock. It is designated a Scheduled Ancient Monument by Cadw under reference CD201.
Blaen Cwmsymlog Lead and Silver 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.
Blaen Cwmsymlog Lead and Silver 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 CD201.
Several scheduled monuments lie within 10 km, including Round Barrow SW of Pen-Rhiwlas (3.8 km), Tan-y-Ffordd Hillfort (4.2 km), Castell Bwa-drain Camp (4.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Blaen Cwmsymlog Lead and Silver 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.
Blaen Cwmsymlog Lead and Silver Mine stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.