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Ringwork 225m North East of Rhiwderyn is a medieval ringwork fortress constructed on Pridoli bedrock in Wales. The monument consists of a circular or oval defensive earthwork comprising a raised bank and surrounding ditch, a characteristic design from the 11th to 13th centuries when such fortifications served as the strongholds of Norman and Welsh lords. The underlying geology of mudstone, siltstone and sandstone provided stable ground for the rampart's construction whilst the natural slope and geology of the site would have been exploited to enhance the defensive properties of the ditch. The ringwork represents a transitional military architecture between simple palisaded enclosures and more substantial stone castles, offering practical defence for a small garrison and local population during the turbulent period of medieval Welsh and Norman territorial conflict.
The monument is scheduled and protected by Cadw under reference MM066, reflecting its national significance as evidence of medieval settlement patterns and military organisation in Wales. Such ringworks were economical to construct and maintain compared to stone fortifications, making them the preferred choice for many secondary strongholds across the Welsh border region during the High Middle Ages.
Ringwork 225m North East of Rhiwderyn is a scheduled monument protected by Cadw under reference MM066. View the official record →
Ringwork 225m North East of Rhiwderyn is a medieval ringwork fortress constructed on Pridoli bedrock in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference MM066.
Ringwork 225m North East of Rhiwderyn dates from the medieval period, and is classified as a ringwork. It is one of over 32,000 scheduled monuments protected across the UK.
Ringwork 225m North East of Rhiwderyn 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 MM066.
Several scheduled monuments lie within 10 km, including Coed y Defaid Camp (1.8 km), Pen-y-Lan Camp (2.9 km), Gwern y Cleppa Burial Chamber (2.9 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Ringwork 225m North East of Rhiwderyn'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.
Ringwork 225m North East of Rhiwderyn stands on Pridoli Rocks (Undifferentiated), bedrock that formed in the Pridoli. The rock here is mudstone, siltstone and sandstone.