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Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio is a linear earthwork of early medieval date, forming part of the substantial frontier work constructed along the England-Wales border. This section of the dyke runs for approximately three kilometres across the landscape of mid-Wales, extending southeast towards Bele Brook near Llandrinio. The monument is constructed upon bedrock composed of Caradoc Rocks—alternating mudstones, siltstones and sandstones of Caradocian age—which would have presented considerable challenges to those who cut and raised the earthwork's banks.
The dyke here consists of a raised bank with an accompanying ditch, a configuration typical of such linear boundaries. Its survival across this substantial distance reflects the engineering effort invested in establishing a defined territorial marker across challenging terrain. The underlying geology of alternating harder and softer stones influenced both the construction and subsequent erosion patterns visible in the earthwork.
This section is protected by Cadw, the Welsh heritage monument authority, under reference MG033, recognising its significance as part of one of Britain's most substantial early medieval earthworks. The monument's persistence in the Welsh landscape serves as physical evidence of the political and territorial divisions of its period.
Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio is a scheduled monument protected by Cadw under reference MG033. View the official record →
Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio is a linear earthwork of early medieval date, forming part of the substantial frontier work constructed along the England-Wales border. It is designated a Scheduled Ancient Monument by Cadw under reference MG033.
Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio 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.
Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio 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 MG033.
Several scheduled monuments lie within 10 km, including Crowther's Coppice Camp (5.7 km), Strata Marcella Abbey (6.3 km), Knaps Barrows (7 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Offa's Dyke: Section extending 3000m SE to Bele Brook, Llandrinio stands on Caradoc Rocks (Undifferentiated), bedrock that formed in the Caradocian. The rock here is mudstone, siltstone and sandstone.