Scheduled MonumentsWalesAberlleiniog Castle
Medieval · Motte

Aberlleiniog Castle

Anglesey, Wales
Cadw SAM AN020
Period
Medieval
Site type
Motte
Broad class
Defence
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Aberlleiniog Castle is a motte situated in Anglesey, Wales, representing a form of Norman defensive settlement dating to the medieval period. The monument consists of an earthwork mound characteristic of early medieval military architecture, typical of the post-conquest period when such structures were established across Wales. Located within the administrative landscape of Anglesey, the site reflects the pattern of Norman settlement and fortification in the region during the twelfth century. The motte survives as an archaeological feature of significance to understanding the military and territorial organization of medieval Anglesey.

Aberlleiniog Castle is a scheduled monument protected by Cadw under reference AN020. View the official record →

About this monument

Questions & answers

What is Aberlleiniog Castle?

Aberlleiniog Castle is a motte situated in Anglesey, Wales, representing a form of Norman defensive settlement dating to the medieval period. It is designated a Scheduled Ancient Monument by Cadw under reference AN020.

What period does Aberlleiniog Castle date from?

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

Who is responsible for protecting Aberlleiniog Castle?

Aberlleiniog Castle 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 AN020.

What other scheduled monuments are near Aberlleiniog Castle?

Several scheduled monuments lie within 10 km, including Henge Monument and Cursus (8.6 km), Settlement Above Ffridd Ddu (8.7 km), Cras, ring cairn to N of (8.9 km).

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