Scheduled MonumentsWalesOffa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa
Early Medieval · Linear Earthwork

Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa

Denbighshire, Wales
Cadw SAM DE137
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: Pentre-Bychan Hall Section is a linear earthwork forming part of the extensive Early Medieval frontier work traditionally attributed to King Offa of Mercia in the late eighth century. This 540-metre section, located in Denbighshire and extending southward from Bron-Wylfa, comprises a substantial bank and ditch typical of the dyke's construction, engineered to mark and defend the Anglo-Saxon border with Wales. The monument remains a significant surviving example of Early Medieval military architecture and landscape management. As a scheduled ancient monument under Cadw protection (SAM DE137), this section contributes to understanding the broader geopolitical and engineering achievements of the Early Medieval period in Britain.

Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa is a scheduled monument protected by Cadw under reference DE137. View the official record →

About this monument

Questions & answers

What is Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa?

Offa's Dyke: Pentre-Bychan Hall Section is a linear earthwork forming part of the extensive Early Medieval frontier work traditionally attributed to King Offa of Mercia in the late eighth century. It is designated a Scheduled Ancient Monument by Cadw under reference DE137.

What period does Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa date from?

Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa 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: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa?

Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa 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 DE137.

What other scheduled monuments are near Offa's Dyke: Pentre-Bychan Hall Section, extending 540m S from Bron-Wylfa?

Several scheduled monuments lie within 10 km, including Wynnstay Colliery Winding Engine House (4.6 km), Offa's Dyke: Section N of Home Farm (4.7 km), Darland Wood Round Barrows (5.7 km).

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