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The Great Britain Guide

Historic bridges · South Wales

The Big Arch

Also known as: Y Bwa Mawr

Free admission

The Big Arch is a historic bridge in the United Kingdom.

The Big Arch, historic bridges in South Wales

Wikimedia Commons contributors — see linked file page for photographer and licence licence

Plan your visit

Typical visit
15 min–30 min
Nearest railway station
Blaenavon High Level · 4.9 km
  • Free entry
  • Dog-friendly

About

The Big Arch is a historic bridge in South Wales. The site is a designated Site of Special Scientific Interest. It sits within the Torfaen parliamentary constituency. The nearest railway station is Blaenavon High Level, about 4.9 km away. Postcode area NP4.

Photo gallery

Heritage listing

http://cadwpublic-api.azurewebsites.net/reports/listedbuilding/FullReport?lang=en&id=14871

From Cadw under OGL v3.

Protected designations

  • Site of Special Scientific Interest: River Wye SSSI

Designations sourced from Natural England open data under OGL v3.

Place summary

The Big Arch, also known as Y Bwa Mawr, is a bridge located in Abersychan, South Wales. It is designated as a Site of Special Scientific Interest (SSSI) due to its proximity to the River Wye SSSI.

AI-generated from the structured facts on this page (operator, designation, listing, era). Not a substitute for visiting.

Coordinates
51.7253, -3.0728
District
Torfaen
Parish
Abersychan
Postcode
NP4 7EF
Parliamentary constituency
Torfaen
Nearest railway station
Blaenavon High Level4.9 km

Sources

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Nearby

More bridges in this region

Frequently asked questions

Where is The Big Arch?
The Big Arch is in South Wales, United Kingdom (postcode NP4 7EF), in the parish of Abersychan.
Is The Big Arch a listed building?
The Big Arch is officially recognised as II listed.
Is The Big Arch a protected site?
Yes — The Big Arch is part of the River Wye SSSI Site of Special Scientific Interest.
Is The Big Arch free to visit?
Yes, The Big Arch is free to enter.
How do I get to The Big Arch?
The nearest railway station is Blaenavon High Level, about 4.9 km away. Drivers can navigate to postcode NP4 7EF.