Forest track winding through dense woodland near the Taf Fechan river
Near Pontsarn

Taf Fechan River Walk

A peaceful, scenic woodland loop following the Taf Fechan river near Pontsarn. This short route is ideal for families, casual walkers, and anyone wanting a gentle taste of the Brecon Beacons' natural beauty.

Overview

A tranquil riverside loop

The Taf Fechan River Walk is a tranquil 2 km circular route set within ancient woodland and shaped by the fast-flowing Taf Fechan. With riverside paths, moss-covered rocks, and the dramatic Pontsarn Viaduct overhead, this walk blends nature, history, and easy accessibility.

A Victorian valve tower rising from still water in the wooded Taf Fechan valley
Key facts

Plan your visit

Distance
~2 km circular
Time
45–60 minutes
Difficulty
Easy
Terrain
Woodland paths, riverside tracks, some uneven ground
Start / Finish
Pontsarn, near the viaduct (CF48 2SS)
Parking
Free parking available at Pontsarn
OS Map
OL12 – Brecon Beacons (Western & Central)
Suitable for
Families, casual walkers, photography, short nature outings
Route description

Step by step

  1. 1

    Pontsarn Car Park

    Begin at the small car park beneath the impressive Pontsarn Viaduct, a towering stone structure that frames the start of the walk.

  2. 2

    Riverside Path

    Follow the path upstream with the Taf Fechan river on your right. The trail winds through mixed woodland, offering several spots to get close to the water.

  3. 3

    Woodland Loop

    Continue along the riverside until the path rises gently into thicker woodland. The loop curves back through peaceful forest, with birdsong and filtered light through the canopy.

  4. 4

    Return to Pontsarn

    Rejoin the main track and follow it back toward the viaduct, completing the circular route.

Highlights

  • Pontsarn Viaduct – striking 19th-century stone railway viaduct
  • Taf Fechan Gorge – fast-flowing water, cascades, and mossy boulders
  • Ancient Woodland – oak, birch, and wildlife including dippers and wagtails
  • Industrial Heritage – subtle remnants of the area's ironworking past

Safety notes

  • Paths can be slippery after rain
  • Keep children supervised near the river
  • Wear suitable footwear for uneven woodland terrain
  • Mobile signal may be limited in places

Facilities

  • Parking at Pontsarn
  • Picnic spots near the river
  • Nearest toilets and cafés: Merthyr Tydfil (10 minutes by car)
Take it with you

Download the route

Get the GPX track for the Taf Fechan River Walk to load into your GPS device or hiking app.

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