The Heads of the Valleys Trail - NCN Route 46

Discover The Heads of the Valleys Trail - NCN Route 46

Part of a stunning 92 mile, mainly traffic-free route from Bromsgrove to Neath.

The Heads of the Valleys - NCN Route 46 through Merthyr Tydfil follows the Taff Trail over Cefn Coed & Pontsarn Viaducts and through the woodlands heading north, before turning east past the Brecon Mountain Railway (on the highway) and into Pant. The traffic-free path then turns steeply up past the ponds at the top of Dowlais before carrying on along the valley’s edge until it falls into Clydach Gorge and on to Llanfoist (Abergavenny).

   Bridge at Pengarnddu     

Complete the Heads of the Valleys Section - Brynmawr to Neath

The route is 25 miles long and starts in Brynmawr. It straddles five Welsh local authorities including Merthyr Tydfil, branching off to existing routes and twisting its way along major and minor roads as well as traffic-free paths. The beauty of this bumper trail is that accomplished cyclists can ride it all the way or families can choose quiet chunks for a perfect day out.

The Head of the Valleys Trail is just one of a series of trails running right through the county borough that encapsulates the area's history complemented by miles and miles of natural beauty. So if you want to take time to stop at one of our amazing adventure attractions, learn about our history, shop, eat, sleep or just take a moment to savour the breathtaking scenery. Merthyr has it all. 



The Guardian - Travel Article from Swansea to Abergavenny (Sustrans Route 46).

Alongside Treasuring our Trails we have a responsibility to ensure we, as custodians, maintain them for generations to come. Please respect the countryside and each other.

Follow the Countryside Code.  Find more information and guidance at the link below.

 Natural Resources Wales Countryside Code

Sustrans Cycle Route Network - Route 46 Heads of the Valleys. Click below to find out more about the cycle networks throughout Wales and the UK.


Ramblers Cymru- Find out more about Ramblers Cymru by clicking the link below.

            Wales Ramblers



Discover What’s happening in Merthyr Tydfil

Latest News

Official Visitor Guide 2021

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.

Treasuring our Trails - Taff Trail

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Huge numbers of Merthyr Tydfil residents have taken solace in the open spaces of the Taff Trail during the pandemic, with a more than 90% increase i…

First phase of Canolfan facelift completed

The redevelopment of the Canolfan at Cyfarthfa Park is progressing at pace, with work on the new café, decking and outdoor seating completed and ready for alfresco dining in the summer.

The facelift - funded to the tune of arou…