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Pont Aberffraw is a post-medieval bridge crossing the Afon Aberffraw in Wales. The structure spans bedrock of Upper Cambrian age, specifically Tremadoc metasedimentary rock formed during the Tremadocian period. This ancient geological foundation, shaped over hundreds of millions of years, provides a stable base for the crossing and reflects the enduring relationship between human infrastructure and the landscape's deep time.
The bridge represents the practical engineering traditions of post-medieval Wales, when improved river crossings became essential to local trade and movement. Its design responds directly to the river's character and the properties of the underlying stone. Constructed to withstand both the flow of the Afon Aberffraw and the weight of traffic, the bridge demonstrates the builders' understanding of local conditions and material properties.
Pont Aberffraw is protected by Cadw, the Welsh Historic Monuments service, under reference AN101, recognising its significance as a heritage structure. This statutory protection ensures the bridge remains a documented part of Wales's built heritage, preserving evidence of post-medieval construction methods and the practical solutions communities developed to navigate their river valleys.
Pont Aberffraw is a scheduled monument protected by Cadw under reference AN101. View the official record →
Pont Aberffraw is a post-medieval bridge crossing the Afon Aberffraw in Wales. It is designated a Scheduled Ancient Monument by Cadw under reference AN101.
Pont Aberffraw dates from the post medieval/modern period, and is classified as a bridge. It is one of over 32,000 scheduled monuments protected across the UK.
Pont Aberffraw 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 AN101.
Several scheduled monuments lie within 10 km, including Trwyn Du round cairn (1.1 km), Pen-Sieri Inscribed Stone (2.7 km), Barclodiad y Gawres Chambered Tomb (3.2 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Pont Aberffraw'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.
Pont Aberffraw stands on Upper Cambrian, Including Tremadoc, bedrock that formed in the Tremadocian. The rock here is metasedimentary rock.