Scheduled MonumentsWalesCastell Meurig
Medieval · Motte and Bailey

Castell Meurig

Carmarthenshire, Wales
Cadw SAM CM099
Period
Medieval
Site type
Motte and Bailey
Broad class
Defence
Nation
Wales
The designation
Reference
Cadw SAM CM099
Authority
Cadw
Designated
1950-11-23
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Castell Meurig is a medieval motte and bailey castle situated in Wales and protected by Cadw under reference CM099. The monument consists of a raised mound, or motte, topped by a flattened platform where a timber or stone structure once stood, accompanied by an adjacent bailey—a roughly circular or oval defended enclosure. This earthwork form represents a common Norman fortification strategy employed across Britain and Wales during the medieval period, particularly from the eleventh century onwards.

The castle is constructed upon bedrock of Wenlock age, comprising mudstone, siltstone and sandstone of the Wenlock Rocks formation. These ancient sedimentary deposits, laid down in a shallow marine environment during the Silurian period, form the underlying geology of the locality and would have influenced both the drainage of the site and the materials available to the castle's builders. The solid foundation of Wenlock bedrock provided stability for earthwork construction.

As a motte and bailey, Castell Meurig exemplifies a fortification type designed for rapid construction and defensive effectiveness. The raised motte offered commanding views across the surrounding landscape, whilst the bailey provided space for domestic buildings, stores and livestock. The monument survives as an important archaeological record of medieval military architecture and territorial control in Wales.

Castell Meurig is a scheduled monument protected by Cadw under reference CM099. View the official record →

About this monument

Questions & answers

What is Castell Meurig?

Castell Meurig is a medieval motte and bailey castle situated in Wales and protected by Cadw under reference CM099.

What period does Castell Meurig date from?

Castell Meurig 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 Meurig?

Castell Meurig 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 CM099.

What other scheduled monuments are near Castell Meurig?

Several scheduled monuments lie within 10 km, including Bryngwyn Standing Stone (6.4 km), Burnt Mound 500m ESE of Llwyn Wennol (8 km), Pont Clydach settlement (8.4 km).

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Everything a full report reveals about Castell Meurig

This page is just one thread. A full Aubrey report pulls together 13 strands of Castell Meurig'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 Meurig

Castell Meurig stands on Wenlock Rocks (Undifferentiated), bedrock that formed in the Wenlock. The rock here is mudstone, siltstone and sandstone.