Scheduled MonumentsWalesOffa's Dyke: Section in Plas Power Park
Early Medieval · Linear Earthwork

Offa's Dyke: Section in Plas Power Park

Denbighshire, Wales
Cadw SAM DE180
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: Section in Plas Power Park is a linear earthwork forming part of the celebrated eighth-century frontier works constructed under King Offa of Mercia. This section, located in Denbighshire, demonstrates the characteristic form of the dyke as a substantial bank and ditch that stretched across the Wales-England border, functioning as a territorial boundary and defensive feature during the Early Medieval period. The monument preserves evidence of the engineering ambition of Offa's reign in the latter half of the eighth century, when this monumental construction was undertaken to demarcate Mercian authority and control movement across the frontier. The dyke remains one of the most significant surviving physical monuments to Anglo-Saxon Wales-border administration and military organisation.

Offa's Dyke: Section in Plas Power Park is a scheduled monument protected by Cadw under reference DE180. View the official record →

About this monument

Questions & answers

What is Offa's Dyke: Section in Plas Power Park?

Offa's Dyke: Section in Plas Power Park is a linear earthwork forming part of the celebrated eighth-century frontier works constructed under King Offa of Mercia. It is designated a Scheduled Ancient Monument by Cadw under reference DE180.

What period does Offa's Dyke: Section in Plas Power Park date from?

Offa's Dyke: Section in Plas Power Park 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: Section in Plas Power Park?

Offa's Dyke: Section in Plas Power Park 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 DE180.

What other scheduled monuments are near Offa's Dyke: Section in Plas Power Park?

Several scheduled monuments lie within 10 km, including Wat's Dyke: Section extending from Pentre-Clawdd to Wynnstay Park (6.6 km), Offa's Dyke: Section SW from Tatham Bridge (6.8 km), Wynnstay Colliery Walker Fan House (7 km).

Aubrey Research

Generate a full report for this location

Aubrey generates in-depth historical research for any address in the UK — drawing on scheduled monument data, Domesday records, Roman heritage, PAS finds and medieval history to reveal the complete story of a landscape.

Research the area around Offa's Dyke: Section in Plas Power Park