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Yr Allt (Forest Fawr)
604m (1982ft)

The Brecon Beacons Area, The Brecon Beacons, Powys, Wales

Yr Allt (Forest Fawr) means 'The Hill' in Welsh and is pronounced 'ur-a-thl-t'.

The summit of Yr Allt (Forest Fawr) is marked by a small cairn..


Record Yr Allt (Forest Fawr) as Bagged, Climbed & Conquered


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Welsh Dewey
9th highest in Wales,
14th in England & Wales

Walk Yr Allt (Forest Fawr) walking UK Mountains in The Brecon Beacons Area The Brecon Beacons National Park Powys, Wales

Yr Allt (Forest Fawr) Summit

Photo: Jeff Mayers

You can find Yr Allt (Forest 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):

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 Yr Allt (Forest Fawr) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Yr Allt (Forest Fawr) and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Yr Allt (Forest Fawr) by using this easy‑to‑follow route map:
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Walk po132 Heol Senni and Fan Gyhirych from Pont Gihirych (Cray Reservoir)

Open moorland walk with fine views

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Vital Statistics:

Length: 8.5ml (13.5km)
Ascent:1,792ft (546m)
Time:5 hrs
Grade:Walk Grade 5 Icon (Moderate)

Other walkers who hiked, climbed, bagged and summited Yr Allt (Forest Fawr) Fellow go4awalkers who have already walked, climbed, summited & bagged Yr Allt (Forest Fawr)

Mark Davidson walked up Yr Allt (Forest Fawr) on July 12th, 2009 [from/via/route] Walk po124 Fan Nedd & Fan Gyhirych from Maen Llia [with] Alone [weather] Quite nice

Sion Britton climbed Yr Allt (Forest Fawr) on November 29th, 2020 [from/via/route] Fan Gyhirych Walk [with] Rhiannon [weather] Sunny & Cool

Christina Lander bagged Yr Allt (Forest Fawr) on March 14th, 2015 [from/via/route] Pont Gihirych - Heol Senni - Yr Allt - Fan Fraith - Fan Gyhirych - Pont Gihirych [with] Dick [weather] Overcast but dry, plenty of snow on the ground

David Lane hiked Yr Allt (Forest Fawr) on August 18th, 2011 [with] Kelly

Richard Penney summited Yr Allt (Forest Fawr) on July 2nd, 2011 - Excellent days walk, but spoilt by piles of rubbish left by walkers on Fan Gyh Ghi Ghyhiyrch.. that one I can't spell.

Michael Rygol has walked, climbed & bagged Yr Allt (Forest Fawr).

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 Yr Allt (Forest Fawr)

Bwlch y Duwynt with Yr Allt (Forest Fawr) beyond from Fan Gyhirych

Bwlch y Duwynt with Yr Allt (Forest Fawr) beyond from Fan Gyhirych

Photo: Jeff Mayers (8)

The tiny cairn on the summit of Yr Allt (Forest Fawr) with Fan Nedd in the background

The tiny cairn on the summit of Yr Allt (Forest Fawr) with Fan Nedd in the background

Photo: Jon Norbury (22)

Yr Allt (Forest Fawr) from Fan Nedd

Yr Allt (Forest Fawr) from Fan Nedd

Photo: Jeff Mayers (13)


Send us your photographs and pictures on, of, or from Yr Allt (Forest Fawr)

If you would like to add your walk photographs and pictures featuring views from, on or of Yr Allt (Forest Fawr) 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 Yr Allt (Forest Fawr) via Facebook

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