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Castell Cwmere is a prehistoric promontory fort situated inland in Wales. The fort occupies a naturally defended position, exploiting the landscape to create secure boundaries around its interior settlement space. Its construction and use belong to the Iron Age period, when such defended enclosures served as high-status settlements and administrative centres across Britain and Wales.
The monument rests upon Llandovery Rocks, Ordovician mudstone, siltstone and sandstone that form the bedrock geology of the locality. These sedimentary rocks would have provided both building stone and a foundation of natural strength for the fort's defensive works. The underlying geology influenced how the fort's occupants could construct their ramparts and internal structures, shaping the fort's physical character.
Castell Cwmere is protected as a scheduled monument by Cadw, the Welsh heritage organisation, under reference CD079. This designation recognises its archaeological significance as a surviving example of prehistoric defensive architecture. The fort contributes to our understanding of Iron Age settlement patterns and the ways in which prehistoric Welsh communities organised their settlements and defended their territories.
Castell Cwmere is a scheduled monument protected by Cadw under reference CD079. View the official record →
Castell Cwmere is a prehistoric promontory fort situated inland in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference CD079.
Castell Cwmere dates from the prehistoric period, and is classified as a promontory fort - inland. It is one of over 32,000 scheduled monuments protected across the UK.
Castell Cwmere 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 CD079.
Several scheduled monuments lie within 10 km, including Gaer Fach Defended Enclosure (3 km), Cribyn Clottas (3 km), Gaer Maesmynach (3.8 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Cwmere'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.
Castell Cwmere stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.