Pontsarn Viaduct

Discover Pontsarn Viaduct

The Pontsarn Viaduct was built in the 1860’s to carry the Brecon and Merthyr Railway over the river was designed and built by Savin and Ward and their engineer Alexander Sunderland (as was the Cefn viaduct).

It has 7 spans and is an historic listed structure. It is situated in an area of natural beauty, with “the Blue Pool” and waterfall nearby. The Pontsarn Station, with its own Stationmaster and Porter, was once a busy link until it closed in the 1960’s.



What’s happening in Merthyr Tydfil

Latest News

Merthyr’s Blue Pool features on Visit Wales

Proud to present our very own hidden cascade…. The Blue Pool - Pwll Glas at Cwm Glais

Adjacent to the Taff Trail below the Pontsarn Viaduct close to Morlais Castle is the Taf Fechan Gorge. The Gorge has trails on both sides of the river forming part …

Official Visitor Guide 2022

Visitors Guide - it's ready!

We’ve got everything from world class adventures to breath-taking landscapes waiting to be discovered.  

Pick it up locally or download from this website.

Interactive map pinpoints all Merthyr’s visitor attractions

Visitors to Merthyr Tydfil who want to become more familiar with the county borough will be able to pinpoint exactly where they need to go through a new interactive website map.

The Visit Merthyr Location Finder put together by County Borough Council…

© Merthyr Tydfil County Borough Council 2022