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Castell Prysor is a medieval motte and bailey castle situated in Wales. The monument consists of an earthen mound with an attached outer enclosure, a defensive design characteristic of Norman and post-Norman Wales. The castle sits upon bedrock of Upper Cambrian mudstone, siltstone and sandstone of the Tremadocian age, geology that would have provided a stable foundation for the earthwork defences whilst offering local stone for any fortification work undertaken during its occupation.
The motte and bailey form represents a widespread settlement pattern across Wales from the eleventh century onwards, when such castles served as administrative and military centres for local lordship. The elevated mound afforded both defensive advantage and visible assertion of authority across the surrounding landscape. The attached bailey provided space for domestic buildings, storage and animal enclosures essential to sustaining a garrison.
Castell Prysor is protected as a scheduled monument under Cadw, the Welsh heritage monument protection authority, registered as ME045. This status recognises the site's archaeological significance and ensures its preservation for future study and public understanding of medieval Welsh settlement and military architecture.
Castell Prysor is a scheduled monument protected by Cadw under reference ME045. View the official record →
Castell Prysor is a medieval motte and bailey castle situated in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference ME045.
Castell Prysor dates from the medieval period, and is classified as a motte and bailey. It is one of over 32,000 scheduled monuments protected across the UK.
Castell Prysor 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 ME045.
Several scheduled monuments lie within 10 km, including Roman Road extending SE 650m from Llyn Hiraethlyn toward Glasgoed (1.3 km), Roman Practice Camps 190m W of Llyn Hiraethlyn (1.6 km), Enclosed Hut Circle Settlement at Ffridd Bodyfuddau (3.7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Prysor'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 Prysor stands on Upper Cambrian, Including Tremadoc, bedrock that formed in the Tremadocian. The rock here is mudstone, siltstone and sandstone.