Scheduled MonumentsWalesOffa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway
Early Medieval · Linear Earthwork

Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway

Denbighshire, Wales
Cadw SAM DE132
Period
Early Medieval
Site type
Linear Earthwork
Broad class
Monument
Nation
Wales
Boundary

Scheduled area

© Mapbox · © OpenStreetMap contributors · Boundary data © Cadw

Overview

History & significance

Offa's Dyke: Cadwgan Hall Section is a linear earthwork forming part of the frontier monument constructed during the reign of King Offa of Mercia in the late eighth century. This section of the dyke, extending from the River Clywedog to the railway near Cadwgan Hall in Denbighshire, comprises a substantial bank and ditch typical of the monument's engineering, created to demarcate and defend the border between Mercia and the Welsh kingdoms. The earthwork remains a significant archaeological record of early medieval territorial control and represents one of the most substantial linear fortifications of its period in Britain. The monument is protected as a Scheduled Ancient Monument under the Cadw designation DE132.

Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway is a scheduled monument protected by Cadw under reference DE132. View the official record →

About this monument

Questions & answers

What is Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway?

Offa's Dyke: Cadwgan Hall Section is a linear earthwork forming part of the frontier monument constructed during the reign of King Offa of Mercia in the late eighth century. It is designated a Scheduled Ancient Monument by Cadw under reference DE132.

What period does Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway date from?

Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway dates from the early medieval period, and is classified as a linear earthwork. It is one of over 32,000 scheduled monuments protected across the UK.

Who is responsible for protecting Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway?

Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway 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 DE132.

What other scheduled monuments are near Offa's Dyke: Cadwgan Hall Section, extending from River Clywedog to the Railway?

Several scheduled monuments lie within 10 km, including Offa's Dyke: Section SW from Tatham Bridge (5.1 km), Wynnstay Colliery Walker Fan House (5.3 km), Wynnstay Colliery Winding Engine House (5.4 km).

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