Scheduled MonumentsWalesLlys Gwenllian Mound & Bailey
Medieval · Motte and Bailey

Llys Gwenllian Mound & Bailey

Denbighshire, Wales
Cadw SAM DE019
Period
Medieval
Site type
Motte and Bailey
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

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Overview

History & significance

Llys Gwenllian Mound and Bailey is a motte and bailey castle in Denbighshire, Wales, dating to the Norman period following the late eleventh-century conquest and settlement of the region. The site comprises a prominent mound with an attached bailey, typical of the rapid fortification strategy employed by Norman lords to consolidate control over newly conquered Welsh territories. The monument is situated within the landscape of the Vale of Clwyd and represents an important example of early medieval military architecture in North Wales. The earthwork retains clear structural definition, with the mound and surrounding defensive ditches remaining substantially preserved.

Llys Gwenllian Mound & Bailey is a scheduled monument protected by Cadw under reference DE019. View the official record →

About this monument

Questions & answers

What is Llys Gwenllian Mound & Bailey?

Llys Gwenllian Mound and Bailey is a motte and bailey castle in Denbighshire, Wales, dating to the Norman period following the late eleventh-century conquest and settlement of the region. It is designated a Scheduled Ancient Monument by Cadw under reference DE019.

What period does Llys Gwenllian Mound & Bailey date from?

Llys Gwenllian Mound & Bailey dates from the medieval period, and is classified as a motte and bailey. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting Llys Gwenllian Mound & Bailey?

Llys Gwenllian Mound & Bailey 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 DE019.

What other scheduled monuments are near Llys Gwenllian Mound & Bailey?

Several scheduled monuments lie within 10 km, including Denbigh Castle (1.4 km), Denbigh Town Walls (1.5 km), Civil War Earthworks (1.5 km).

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