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Allt Lwyd
654m (2146ft)

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

Allt Lwyd means 'Grey Hill' in Welsh and is pronounced 'athlt luid'.

The summit of Allt Lwyd is marked by a small cairn.


Record Allt Lwyd as Bagged, Climbed & Conquered


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Welsh Nuttall
137th highest in Wales,
324th in England & Wales

You can find Allt Lwyd & 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 Allt Lwyd and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:

See Allt Lwyd and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Allt Lwyd by using any of these 3 easy‑to‑follow route maps:
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Walk po126 Allt Lwyd and Waun Rydd from Talybont Reservoir

Steady ascent to good views

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Vital Statistics:

Length: 7.75ml (12.5km)
Ascent:2,445ft (745m)
Time:5.25hrs
Grade:Walk Grade 6 Icon (Moderate)
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Walk po152 Allt Lwyd, Waun Rydd and Bryn from Talybont Reservoir

Steady ascent to fabulous views

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Vital Statistics:

Length: 10ml (16km)
Ascent:2,521ft (768m)
Time:6.25hrs
Grade:Walk Grade 6 Icon (Moderate)
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Walk po147 The Glen Collwn Round from Talybont Reservoir

Long high level walk with dramatic views.

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Vital Statistics:

Length: 13.25ml (21km)
Ascent:3,397ft (1,035m)
Time:8.25hrs
Grade:Walk Grade 8 Icon (Hard)

Other walkers who hiked, climbed, bagged and summited Allt Lwyd Fellow go4awalkers who have already walked, climbed, summited & bagged Allt Lwyd

Christina Lander walked up Allt Lwyd on October 2nd, 2022 [from/via/route] Carn Pica from Talybont Reservoir [with] Dick [weather] Sunny day

Mark Davidson climbed Allt Lwyd on July 10th, 2009 [from/via/route] Walk po152 Allt Lwyd, Waun Rydd & Bryn from Talybont Reservoir [with] MK (Well for some of it!) [weather] Quite nice

Sion Britton bagged Allt Lwyd on April 17th, 2021 [with] Solo [weather] Braf

Kimberley Gratton hiked Allt Lwyd on July 23rd, 2019 [from/via/route] I started off from Talybont Reservoir, going up NW on a signed track all the way to Allt Lwyd (this was VERY steep!) From there I went via the Cam Pica stone built beacon towards Waun Rydd, & then Gwaun Cerrig Lwydion. Finally heading to Bryn (Waun Rydd) & down back to Talybont Reservoir. [weather] Hot & Sunny - The path from Bryn back to Talybont Reservoir wasn't clear & not as pleasant as the rest of the walk. I would suggest going back the way you came.

Robert Taylor-Marriott summited Allt Lwyd on December 5th, 2012 [from/via/route] Route 46: Bwlch y Ddwyallt, Waun Rydd & Allt Lwyd (BWA) Completed 05.12.12 + [with] Vince Wetton and Robert Taylor-Marriott. [weather] Sunny, snow & cold.

Syd Barnes conquered Allt Lwyd on February 18th, 2014 [from/via/route] Talybont car park [with] Alone [weather] Sunny

Richard Penney scaled Allt Lwyd on October 7th, 2012 [from/via/route] Talybont - Steep steep steep

Paul Roddam, Michael Rygol and Matthew Thomas have all walked, climbed & bagged Allt Lwyd.

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




Send us your photographs and pictures on, of, or from Allt Lwyd

If you would like to add your walk photographs and pictures featuring views from, on or of Allt Lwyd 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).)

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