Upper Tarell Valley walk

Walking trail

Follow this glaciated valley down the 18th-century metalled track that was once the main road from the Midlands to Cardiff.

Take a meandering stroll by the river Tarell

Cross the valley and follow the river Tarell, where you'll pass the remains of farmsteads that were once inhabited during the heyday of the coach road.

Tarell valley, Brecon Beacons

Map

Upper Tarell Valley walk

Start:

Storey Arms, grid ref: SN982203

1

Start the walk from Storey Arms, the outdoor education centre. Please take note there is no public access to the building. When facing the centre take the track to the left - this is the old Brecon to Merthyr coach road. Continue down the valley towards Brecon, passing through a gate by a cattle grid until you reach a gate across the track itself.

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2

Pass through the second gate, continue downhill along the coach road, keeping an eye out on your left for a signpost to the Youth Hostel. Pass through the field gate at the signpost, crossing the field diagonally to your left down to the River Tarell.

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3

Cross the river using the wooden bridge. Just above the bridge are the remains of a Bronze Age burial chamber. Turn immediately right and follow the path keeping the river to your right, until you reach a stile.

4

Cross the stile and climb a short section of steep bank. You are now on Ty Mawr Farm, a National Trust tenanted farm. Follow the path always keeping the River Tarell to your right for approximately 1.5 miles (2.4km). You will cross several stiles, bridges and fields and the edge of Ty Mawr farmyard.

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5

At the far end of Ty Mawr Farm, you will cross a stile through a hedge where the path leads to a bridge across the River Tarell. Crossing the bridge, you will come onto a tarmac road, turn right leading up and past the white cottages called Old Glanrhyd. Keeping straight ahead, follow the road for approximately 300m until you reach the entrance to Coed Carno, with an entrance board to the right. At this point, following steps 6 and 7, you have the option to take an additional route through the semi-ancient woodland up to a disused quarry with panoramic views of Tarell valley, and then back down to re-join the old coach road. Alternatively continue to step 8.

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6

At the entrance to Coed Carno pass through the small gate. Follow the woodland track which winds gently uphill until a fork. At this point bear left and after 100m cross a small stream that runs over the track. Bear right uphill and look out for the waymark that directs you to the path following Beddagi stream. Take care on this section of the walk as the path is narrow, rocky and slippery in places. The stream walk re-joins the track further up. At this point cross over the track, following the path back into the woodland, over an old stone wall. Continue along this path until you cross a second stone wall with a stile leading onto the open hill.

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7

At this point, stay in the woodland climbing uphill with the boundary wall on your left. After approximately 100m you will reach the disused quarry with panoramic views of the valley. Please take care of the steep drops. From the quarry the path follows the boundary wall, crossing back and forth several times, continuing downhill until reaching a stile leading onto a track. Cross the track back into a wooded dingle, following the path downhill across the stream until you reach some wooden steps, leading back onto the old coach road and turn left. Now follow step 9, omitting step 8.

8

Passing Coed Carno, continue along the road until you reach Blaenglyn Farmhouse, a National Trust tenanted farm. Keeping the farm buildings to your right you will come to the end of the tarmac road and bear left on the stone track. As you gently climb up the track, you will pass a second building to your right – this is the National Trust ranger base and Dan y Gyrn bunkhouse which is available for weekends away and working holidays. Shortly after passing Dan y Gyrn you will see some wooden steps on your left. This is where the Coed Carno loop re-joins the path.

9

You are now back on the stoned metalled track of the old coach road. Follow this all the way back up to Storey Arms.

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End:

Storey Arms, grid ref: SN982203

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Upper Tarell Valley walk

Terrain

A mix of walking surfaces from stone tracks, grass tracks, and tarmaced road. There are a few steep slopes and several stiles to cross.

Dogs are welcome but must be kept on leads. The stiles are dog friendly.

Upper Tarell Valley walk

Contact us

Upper Tarell Valley walk

How to get here

Address
Storey Arms, Brecon Beacons, LD3 8NL
By train

Merthyr Tydfil 10 miles (16km).

By road

A470 Merthyr Tydfil to Brecon. Post Code LD3 8NL.

By foot

The Beacons Way passes through Storey Arms.

By bus

X43 and 470 alight Storey Arms, Information from Traveline Cymru

Upper Tarell Valley walk

Facilities and access

  • Dogs are allowed on leads