Scheduled MonumentsWalesCastell Prysor
Medieval · Motte and Bailey

Castell Prysor

Meirionnydd, Wales
Cadw SAM ME045
Period
Medieval
Site type
Motte and Bailey
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

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 →

About this monument

Questions & answers

What is Castell Prysor?

Castell Prysor is a medieval motte and bailey castle situated in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference ME045.

What period does Castell Prysor date from?

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.

Who is responsible for protecting Castell Prysor?

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.

What other scheduled monuments are near Castell Prysor?

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).

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Everything a full report reveals about Castell Prysor

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:

Overview
An interactive map of the location with every monument and battle plotted, and a plain-language history built only from what the record holds.
Monuments
The legally protected scheduled monuments around the location, each with its period, type and significance.
Battlefields
The battles and sieges fought on this ground, mapped and set on a timeline of the wider conflict.
Roman Britain
The Roman roads, forts and towns near here, and the Iron Age people who held the land before Rome arrived.
Civil War
The Civil War fighting, garrisons and recorded militaria in this area, woven into the arc of 1642 to 1651.
Geology
The bedrock beneath the site, its age and rock type, reaching back hundreds of millions of years.
Local Names
What the street and field names around here actually mean, and the history buried inside them.
Historical Maps
Ordnance Survey maps from the 1800s, layered over the location as it stands today.
Literature
The books, county histories, charters and archives that mention this place, quoted with their sources.
Legal
The protected sites nearby and the metal-detecting, access and treasure laws that apply to this ground.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Target Zones
For detectorists: the most promising ground to search nearby, ranked by confidence, with what to expect.
Timeline
The whole story of the location told era by era, from prehistory to the present day.
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The ground beneath

The bedrock under Castell Prysor

Castell Prysor stands on Upper Cambrian, Including Tremadoc, bedrock that formed in the Tremadocian. The rock here is mudstone, siltstone and sandstone.