Scheduled MonumentsWalesOffa's Dyke: Brymbo Hill Section
Early Medieval · Linear Earthwork

Offa's Dyke: Brymbo Hill Section

Denbighshire, Wales
Cadw SAM DE109
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: Brymbo Hill Section is a linear earthwork forming part of the great defensive frontier constructed in the late eighth century under the direction of King Offa of Mercia. This section of the dyke, located in Denbighshire, comprises a substantial bank and ditch running along the landscape, characteristic of the monument's typical construction as a raised earthen rampart faced with stone or turf. The Brymbo Hill section represents an important surviving portion of this extensive Anglo-Welsh boundary that originally stretched for approximately 150 miles from the Dee estuary to the Severn estuary. As a scheduled ancient monument under Cadw protection, it remains a significant testimony to early medieval territorial demarcation and the engineering capabilities of eighth-century Mercia.

Offa's Dyke: Brymbo Hill Section is a scheduled monument protected by Cadw under reference DE109. View the official record →

About this monument

Questions & answers

What is Offa's Dyke: Brymbo Hill Section?

Offa's Dyke: Brymbo Hill Section is a linear earthwork forming part of the great defensive frontier constructed in the late eighth century under the direction of King Offa of Mercia. It is designated a Scheduled Ancient Monument by Cadw under reference DE109.

What period does Offa's Dyke: Brymbo Hill Section date from?

Offa's Dyke: Brymbo Hill Section dates from the early medieval period, and is classified as a linear earthwork. It is one of over 32,000 scheduled monuments protected across Britain.

Who is responsible for protecting Offa's Dyke: Brymbo Hill Section?

Offa's Dyke: Brymbo Hill Section 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 DE109.

What other scheduled monuments are near Offa's Dyke: Brymbo Hill Section?

Several scheduled monuments lie within 10 km, including Offa's Dyke: Sections N & S of Bryn yr Owen Colliery (6.9 km), Wat's Dyke: Section extending from Erddig Park to Middle Sontley (7.3 km), Offa's Dyke: Section S of Aberderfyn Road (7.4 km).

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