Mountain (Hewitt), Nuttall, Marilyn & OS Trig Point Icon

Cefn yr Ystrad
617m (2025ft)

The Black Mountains, The Brecon Beacons, Powys, Wales

The summit of Cefn yr Ystrad is marked by an Ordnance Survey Trig Point.


Record Cefn yr Ystrad as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
126th highest in Wales,
297th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
175th highest in Wales,
413th in England & Wales

Welsh Marilyn Icon

Welsh Marilyn
51st highest in Wales,
738th highest in Great Britain

Welsh Trig Point Icon


Welsh Trig Point (Pillar)

Walk Cefn yr Ystrad walking UK Mountains in The Black Mountains The Brecon Beacons National Park Powys, Wales

Cefn yr Ystrad Summit

Photo: Bob Hamilton

You can find Cefn yr Ystrad & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps: (click/TAP to select)

The Brecon Beacons National Park


1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):

OL12 Brecon Beacons National Park - Western & Central areas


1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):

160 Brecon Beacons


See Cefn yr Ystrad and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Cefn yr Ystrad and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Cefn yr Ystrad by using this easy‑to‑follow route map:
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Walk po172 Cefn Yr Ystrad from Pontsticill

Wild moorland &ampamp; disused quarries

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Vital Statistics:

Length: 8.25ml (13km)
Ascent:1,326ft (404m)
Time:4.25hrs
Grade:Walk Grade 5 Icon (Moderate)

Other walkers who hiked, climbed, bagged and summited Cefn yr Ystrad Fellow go4awalkers who have already walked, climbed, summited & bagged Cefn yr Ystrad

Donovan Suddell walked up Cefn yr Ystrad on March 17th, 2024 [from/via/route] Pontsticill Reservoir [with] Solo [weather] misty & raining

Toby Norman climbed Cefn yr Ystrad on February 27th, 2022 [from/via/route] Taf Fechan Forest Carpark [with] Burrows

Sion Britton bagged Cefn yr Ystrad on July 22nd, 2021 [from/via/route] O Trefil. [with] Solo. [weather] Braf

Simon Burgess hiked Cefn yr Ystrad on July 25th, 2020 [from/via/route] Ponsticill Resevoir [weather] Cloudy, bleak - Nice walk, would do again.

Bleddyn Rhys summited Cefn yr Ystrad on April 21st, 2018 [from/via/route] O'r gorsaf tren bach yn Pontsticyll, rownd y chwaral ac lawr trwy'r goedwig i'r llyn [with] Gyda Mona a Dans - Penwythnos fy Mhemblwydd. Allan am swpar wedyn i Zio Piero gyda Mena [weather] Braf iawn gyda awel, ond cynes am Ebrill - Cross -country drwy'r goedwig i gyrraedd y llwybr ddim yn hawdd! Arbenig i Dans a Mona!

Christina Lander conquered Cefn yr Ystrad on May 16th, 2015 [from/via/route] Pontsticill - Cefn Yr Ystrad - Cwar yr Ystrad - Gwaun Nant Ddu - Cwm Callan - Pontsticill Reservoir - Pontsticill [with] Dick [weather] Lovely sunny day

Richard Penney scaled Cefn yr Ystrad on May 2nd, 2011 [from/via/route] walked through quarry i.e. the fly tipping mecca & motocross centre.

Michael Rygol, Trevor Williams, Paul Booth, Matthew Thomas and Mark Davidson have all walked, climbed & bagged Cefn yr Ystrad.

To add (or remove) your name and experiences on this page - Log On and edit your Personal Mountain Bagging Record



More Photographs & Pictures of views from, on or of Cefn yr Ystrad

Old Quarry sign on the lower slopes of Cefn yr Ystrad

Old Quarry sign on the lower slopes of Cefn yr Ystrad

Photo: Bob Hamilton (2)

Railway Bridge spanning the path up Cefn yr Ystrad from Pontsticill Reservoir

Railway Bridge spanning the path up Cefn yr Ystrad from Pontsticill Reservoir

Photo: Bob Hamilton (1)


Send us your photographs and pictures on, of, or from Cefn yr Ystrad

If you would like to add your walk photographs and pictures featuring views from, on or of Cefn yr Ystrad to this page, please send them as email attachments (configured for any computer) along with your name to:



and we shall do our best to publish them.

(Guide Resolution = 300dpi. At least = 660pixels (wide) x 440 pixels (high).)

Send us your photographs and pictures on, of, or from Cefn yr Ystrad via Facebook

You can also submit photos via our Facebook Page.

NB. Please indicate where each photo was taken.




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