Barmouth Bridge
About
Barmouth Bridge is a celebrated Grade II* listed railway viaduct spanning 820 m across the Mawddach estuary in North Wales. Built in 1867, it is the longest timber viaduct still in regular use in Britain and a prominent landmark on the Cambrian Coast Line. The bridge carries trains, cyclists, motorcyclists and pedestrians, forming part of National Cycle Route 8, and has become a must‑visit for outdoor explorers and history enthusiasts alike. The viaduct’s aesthetic appeal is enhanced by its sweeping timber trusses and the dramatic views of the estuary it offers. In 2020–2023, a comprehensive restoration replaced numerous timber elements, updated the metalwork, and reinforced the structure for future generations, culminating in a grand re‑opening in December 2023. Visitors can stroll or cycle along the bridge, enjoying uninterrupted views of the surrounding Snowdonia National Park and the nearby Fairy Pools. Since the voluntary toll was abolished in 2017, crossing the bridge is free of charge for all pedestrians and cyclists. Whether you’re a casual passer‑by or a rail‑history aficionado, Barmouth Bridge offers a unique blend of engineering marvel and natural beauty that makes it an unforgettable destination on the Welsh coast.
Highlights
- World’s Longest Timber Viaduct
- Grade II* Listed Heritage
- Recent Restoration
Good to Know
Good for
Best time to visit
June‑August offer the warmest weather and longest daylight hours, ideal for walking and cycling along the bridge.
At a glance
- Typical visit: about 1 hour