Scheduled MonumentsWalesLlanwrda Castle Mound
Medieval · Motte

Llanwrda Castle Mound

Carmarthenshire, Wales
Cadw SAM CM239
Period
Medieval
Site type
Motte
Broad class
Defence
Nation
Wales
The designation
Reference
Cadw SAM CM239
Authority
Cadw
Designated
1988-08-30
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Llanwrda Castle Mound is a medieval motte situated in Wales and protected as a scheduled monument under Cadw reference CM239. The earthwork rises from bedrock composed of Ashgill rocks—undifferentiated mudstone, siltstone and sandstone deposited during the Ashgill period—which provided a stable foundation for Norman or post-Conquest military construction. The mound's position exploited the local geology to create a defensible strongpoint, typical of motte-and-bailey castles established across Wales following the Norman arrival in Britain. Such mottes usually comprised a high, steep-sided artificial or partially artificial mound topped by a timber palisade and keep, often accompanied by an outer bailey. The Ashgill bedrock beneath Llanwrda would have offered reasonable drainage and structural integrity for the ramped or sloped access typical of these castles. Though no longer displaying masonry or substantial superstructure, the mound preserves the fundamental military engineering of early medieval castle design, representing an important phase of Anglo-Norman territorial control and settlement in the Welsh landscape.

Llanwrda Castle Mound is a scheduled monument protected by Cadw under reference CM239. View the official record →

About this monument

Questions & answers

What is Llanwrda Castle Mound?

Llanwrda Castle Mound is a medieval motte situated in Wales and protected as a scheduled monument under Cadw reference CM239.

What period does Llanwrda Castle Mound date from?

Llanwrda Castle Mound dates from the medieval period, and is classified as a motte. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Llanwrda Castle Mound?

Llanwrda Castle Mound 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 CM239.

What other scheduled monuments are near Llanwrda Castle Mound?

Several scheduled monuments lie within 10 km, including Castell Waunberllan (4.7 km), Cae Sara Lead Mine (5.5 km), Castell Meurig (5.6 km).

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Everything a full report reveals about Llanwrda Castle Mound

This page is just one thread. A full Aubrey report pulls together 13 strands of Llanwrda Castle Mound'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 Llanwrda Castle Mound

Llanwrda Castle Mound stands on Ashgill Rocks (Undifferentiated), bedrock that formed in the Ashgill. The rock here is mudstone, siltstone and sandstone.