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Pen y Gadair Fawr
800m (2625ft)

The Black Mountains, The Brecon Beacons, Powys, Wales


Tap/mouse over a coloured circle (1-3 easy walks, 4-6 moderate walks, 7-9 hard walks) and click to select.




Record Pen y Gadair Fawr as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
35th highest in Wales,
79th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
45th highest in Wales,
95th in England & Wales

Walk Pen y Gadair Fawr walking UK Mountains in The Black Mountains The Brecon Beacons National Park Powys, Wales

Pen y Gadair Fawr Summit

Photo: Michael Owen

You can find Pen y Gadair Fawr & 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):

OL13 Brecon Beacons National Park - Eastern area


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

161 Abergavenny & The Black Mountains


See Pen y Gadair Fawr and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Pen y Gadair Fawr and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Pen y Gadair Fawr by using either of these 2 easy‑to‑follow route maps:
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Walk po129 The Grwyne Fechan Round

Fine high mountain views

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Vital Statistics:

Length: 12ml (19km)
Ascent:2,637ft (804m)
Time:7 hrs
Grade:Walk Grade 7 Icon (Hard)
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Walk po153 Pen Cerrig-calch and Waun Fach from Nuadd-fawr

Fine views in all directions

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Vital Statistics:

Length: 13.5ml (21.5km)
Ascent:3,175ft (968m)
Time:8 hrs
Grade:Walk Grade 8 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Pen y Gadair Fawr Fellow go4awalkers who have already walked, climbed, summited & bagged Pen y Gadair Fawr

Donovan Suddell walked up Pen y Gadair Fawr on April 23rd, 2023 [from/via/route] Gospel Pass [with] Wife [weather] Sunny until 16:00 then cloudy, rain at the very end - Very long circuit including traversing two steep valleys

Sion Britton climbed Pen y Gadair Fawr on April 11th, 2021 [from/via/route] O Llanbedr. Horseshoe Route. [with] Solo [weather] Braf/ Cymylog

Simon Burgess bagged Pen y Gadair Fawr on August 23rd, 2020 [from/via/route] Pen Twyn Glas Pen Trumau Waun Fach Pen Y Gadair Fawr Pen Twyn Mawr [with] Solo [weather] Overnight

Dale Tyler hiked Pen y Gadair Fawr on August 30th, 2017 [from/via/route] 6th peak on the Waun Fach horseshoe from Cwmdu to Crickhowell [weather] Mostly glorious, two short sharp showers at the beginning of the walk-enough convince me to reproof my jacket! - 19 mile walk followed by a well deserved pint & meal in Crickhowell. Sticky toffee pudding, mmmmm!

Robert Shaw summited Pen y Gadair Fawr on May 13th, 2017 [from/via/route] From Llanthony whilst doing the Black Mountain Challenge. [with] Alcester Gents Sports Club [weather] Wet & misty

Glenn Radford conquered Pen y Gadair Fawr on October 29th, 2015 [from/via/route] walk po105 [with] William [weather] Mist Cloud low AM Clear windy PM

Alan Smith scaled Pen y Gadair Fawr on July 2nd, 2015 [with] Barry

Christina Lander walked up Pen y Gadair Fawr on March 10th, 2015 [from/via/route] Pen Carrig-calch - Pen Allt-mawr - Pen Twyn Glas - Mynydd Llysiau - Pen Trumau - Waun Fach - Pen y Gadair Fawr - Pen Twyn Mawr [with] Dick [weather] Beautiful day, warm & sunny

Tim Buckley climbed Pen y Gadair Fawr on September 28th, 2014 [from/via/route] po 153 from Neuadd Fawr just north of Llanbedr [with] Solo walk, set off 8.30 am arrived here at 1.21pm [weather] Hot & clear, views to the distance - Pen Y Fan etc........ - Better top than Waun Fach, only 11m lower. It looks far more impressive from across the valley - not unlike Pen Y Fan & Corn Ddu

Wyn Griffiths bagged Pen y Gadair Fawr on March 5th, 2014 [from/via/route] From Neuadd Fawr via Pen Twyn Glas & Mynydd LLysiau [with] Me [weather] Dry, but cold on hills. Caught sun on face

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More Photographs & Pictures of views from, on or of Pen y Gadair Fawr

Pen y Gadair Fawr from the Pen Twyn Mawr ridge

Pen y Gadair Fawr from the Pen Twyn Mawr ridge

Photo: Sidney Jackson (6)

Waun Fach from the summit cairn on Pen y Gadair Fawr

Waun Fach from the summit cairn on Pen y Gadair Fawr

Photo: Sidney Jackson (13)

Waun Fach and Pen y Gadair Fawr from Crug Mawr

Waun Fach and Pen y Gadair Fawr from Crug Mawr

Photo: Sidney Jackson (2)

*Waun Fach and Pen y Gadair Fawr from the Pen Twyn Mawr ridge

*Waun Fach and Pen y Gadair Fawr from the Pen Twyn Mawr ridge

Photo: Sidney Jackson (7)

Waun Fach from Pen y Gadair Fawr

Waun Fach from Pen y Gadair Fawr

Photo: Michael Owen (1)

The summit of Pen y Gadair Fawr

The summit of Pen y Gadair Fawr

Photo: Paul Quinn (1)

Descending in to the Grwyne Fawr Valley from Pen y Gadair Fawr in The Black Mountains

Descending in to the Grwyne Fawr Valley from Pen y Gadair Fawr in The Black Mountains

Photo: Rosemary Janes (1)

*270° Panorama featuring Pengenfford, Pen Trumau, Waun Fach, Pen y Gadair Fawr, Pen Twyn Mawr, Crug Mawr and the The Grwyne Fechan valley from Mynydd Llysiau

*270° Panorama featuring Pengenfford, Pen Trumau, Waun Fach, Pen y Gadair Fawr, Pen Twyn Mawr, Crug Mawr and the The Grwyne Fechan valley from Mynydd Llysiau

Photo: Jon Rimmer (7)

The Pen y Gadair Fawr ridge

The Pen y Gadair Fawr ridge

Photo: Sidney Jackson (12)


Send us your photographs and pictures on, of, or from Pen y Gadair Fawr

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



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

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