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Castell Meredydd is a medieval castle located in Wales and protected by Cadw as an ancient monument under reference MM186. The site stands on Dinantian bedrock of limestone with subordinate sandstone and argillaceous rocks, geology that shaped both its defensive position and the materials available for construction. This underlying formation, dating to the Mississippian period, created the solid foundations necessary for a fortified stronghold in medieval Wales.
The castle exemplifies the military architecture of medieval Wales, a period when such fortifications served essential strategic and administrative functions across the Welsh landscape. Its position exploited the natural strength of the limestone bedrock, typical of many Welsh castles which were sited to command key routes and territories.
Today Castell Meredydd remains an important record of medieval Welsh military heritage. The monument preserves evidence of castle-building practices and settlement patterns during a crucial period in Welsh history, contributing significantly to understanding the region's past. Its protection by Cadw ensures the site's preservation for future study and public access.
Castell Meredydd is a scheduled monument protected by Cadw under reference MM186. View the official record →
Castell Meredydd is a medieval castle located in Wales and protected by Cadw as an ancient monument under reference MM186.
Castell Meredydd dates from the medieval period, and is classified as a castle. It is one of over 32,000 scheduled monuments protected across the UK.
Castell Meredydd 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 MM186.
Several scheduled monuments lie within 10 km, including Ruperra Castle lower summerhouse remains (2.1 km), Ruperra Castle (2.5 km), Croes Carn Einion Roman Site (4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Meredydd'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 Meredydd stands on Dinantian Rocks (Undifferentiated), bedrock that formed in the Mississippian. The rock here is limestone with subordinate sandstone and argillaceous rocks.