Walk: Craig-Cerrig-gleisiad, Powys

Purple Arctic-alpine flowers and bluebells colour a craggy habitat that's home to one of the Brecon Beacons' wildest views

Ring ouzel, Turdus torquatus, male, North Yorkshire, spring

Climb any of the Brecon Beacons and you’ll find a stirring view. But the best of them all is the glowering peak of Craig-Cerrig-gleisiad.

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This raven-haunted buttress is studded with steep crags that have prevented sheep from grazing rare sub-Alpine plants such as the delightful purple saxifrage. It means that the flora here is richer and more interesting than elsewhere in the national park. And so are the birds. At the foot of the cliff you’ll find bluebells in flower now among the hawthorn scrub, from where male redstarts sing. As you climb the steep paths to the top, look out for nesting peregrine falcons and the star of the reserve, the ring ouzel.

geograph-53224-by-Philip-Halling-e12fbf0
Arctic-alpine plants grow in the Craig-Cerrig-gleisiad nature reserve ©Philip Halling

Species guide

Ring ouzel

Ring ouzel, Turdus torquatus, male, North Yorkshire, spring
The ring ouzel lives predominantly in upland areas ©Getty

Like a blackbird but bigger and with a striking white bib, the ring ouzel loves craggy cliffs, where it forages on insects, seeds and berries. It is a summer migrant, arriving from north Africa in late March. Its voice is wilder than its lowland cousin, a series of ‘chack-chack-chacks’, while its plumage seems scaly rather than soft and black. Look for it in the deep ravines. This is just about the last place in the Beacons this rare bird survives.

Cuckoo

Cuckoo, Cuculus canorus, single bird on branch, Hungary
Female cuckoos lay their eggs in the nest of other birds ©Getty 

Another declining species that still flourishes in the wild landscapes in and around Craig Cerrig, the cuckoo lays its eggs in the nests of other birds, such as the meadow pipit. These small brown hosts are common on the tops of the hills and so attract the attention of female cuckoos, watching the land from hidden vantage points.

Purple saxifrage

Purple saxifrage flowering at gray rocks at Nordland coast, Norway. .
Purple saxifrage, found in the reserve, is common in the Arctic and alpine regions ©Getty

Bursting from ledges, these clumps of purple flowers on a green cushion are a spring treat, and are found only in limestone uplands, such as the Beacons. They will flower through the summer, providing welcome patches of colour on the gaunt rock faces.The most common plants on the slopes include heather and bilberry.

Redstart

Perching male Common Redstart (Phoenicurus phoenicurus)
The bright-orange breast and tail of the redstart makes it stand out from other birds ©Getty

A wistful melody emanating from a hawthorn tree is very likely to be the male redstart’s song. This red-breasted, red-tailed summer visitor loves the rocky, scrubby slopes at the foot of the cliffs here and can be found in quite high numbers – unusual for a bird that is declining nationally. Redstarts often feed by catching insects in flight.

Brown hairstreak

"Brown Hairstreak Butterfly Profile on flowers, taken at alners gorse in dorset"
The brown hairstreak is the largest hairstreak in the UK ©Getty

Once common throughout Britain, the brown hairstreak has vanished from much of its range but it is still found in pockets of the Beacons, including here. Its caterpillars feed on the leaves of blackthorn, a common shrub at the scrubby foot of the cliffs.

Peregrine

A Peregrine Falcon overhead on a rock
Peregrines hunt medium-sized birds ©Getty

The jet fighter of the highlands, the peregrine nests on the inaccessible cliff faces, duelling with the bigger but more ponderous ravens for nest sites and airspace, Stand back from the cliffs and scan them carefully with binoculars. You might spot one of the adults resting on a ledge between hunting sorties. If you’re lucky you may even see one hunting, praying on the woodpigeons that live in the valleys.

Now walk it

1. Woodland to cirque

If arriving by car, park in the layby on the western side of the A470. Step through the gate beside the car park, pausing for a moment at the information board.

Walk through a small section of woodland. You will soon emerge into a striking cwm, flanked to the south by a huge precipice. Hawthorn trees dot the scene.

Flow the sound of a small stream, soon reaching its bubbling waters at a rather inconspicuous ford. 

2. Over the stream 

Cross the stream – a good test for your boots – and begin up the often-muddy path. As you climb the ridge, the way become gradually steeper until soon you begin to slalom. Take care here, especially in wet weather.

Stick to the ridge, with a steep drop to your right and the flat uplands of Rhos Dringarth to your left. It’s a wild scene, and one you will likely have to yourself.

geograph-040704-by-David-Neale-3fcd1c2
Stepping into the reserve, it feels as though you’re in another world ©David Neale
3. Frynych view  

As the path veers north, divert left, leaving the lip of the valley to climb to the nearby summit of Fan Frynych

Views from the rounded crest stretch out over the Powys farmland – it’s a great spot to gain a little perspective.

Return to the head of the Craig-Cerrig-gleisiad nature reserve.

4. Glacial scar

From this vantage point, it’s easy to imagine the scooping action of the landscape’s glacial past.

Descend into the valley, keeping an eye out for the many species of bird, insect and mammal that make this reserve their home.

A number of paths braid through the cirque. Stick to the most obvious to avoid trampling fragile Alpine plants, before making your way back to the car park.

Useful Information

EAT/SLEEP

YHA Brecon Beacons Hostel

Brecon, Powys, LD3 8NH

+44 345 371 9029

The Bridge CafE
7 Bridge Street, Brecon LD3 8AH
01874 622 024

Simply yet comfortably furnished, this characterful place offers delicious locally sourced food.

Castle Coaching Inn
Trecastle, Brecon LD3 8UH
01874 636354 

The welcoming family guesthouse in the village of Trecastle has nine en-suite bedrooms.

NEARBY

BRECON

This attractive town has lovely views over the river Usk as well as a fun high street of independent shops and antique dealers, plus a smattering of decent pubs and eateries. Allow half a day’s wandering, especially if you visit the peaceful, pocket-sized cathedral.

PEN Y FAN

At 890m (2920ft), this is the tallest Beacon and the route around the horseshoe-shaped rim of the peak is one of the finest hikes in southern Britain.

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Main image ©Getty