Mountain (Hewitt) & Nuttall Icon

Mynydd Llysiau
663m (2175ft)

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 Mynydd Llysiau as Bagged, Climbed & Conquered


Welsh Mountain Icon

Welsh Mountain
94th highest in Wales,
227th in England & Wales

Welsh Nuttall Icon

Welsh Nuttall
125th highest in Wales,
303rd in England & Wales

Walk Mynydd Llysiau walking UK Mountains in The Black Mountains The Brecon Beacons National Park Powys, Wales

Mynydd Llysiau Summit

Photo: Jon Rimmer

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

See Mynydd Llysiau and the surrounding tops on our downloadable PDF Peak Bagging Map:


You can walk to the top of Mynydd Llysiau by using any of these 3 easy‑to‑follow route maps:
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Walk po135 Pen Cerrig-calch and Mynydd Llysiau from Nuadd-fawr

Fine views in all directions

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Vital Statistics:

Length: 11ml (17.5km)
Ascent:2,430ft (741m)
Time:6½ hrs
Grade:Walk Grade 6 Icon (Moderate)
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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 Mynydd Llysiau Fellow go4awalkers who have already walked, climbed, summited & bagged Mynydd Llysiau

Donovan Suddell walked up Mynydd Llysiau on May 8th, 2023 [from/via/route] Crickhowell [with] Wife [weather] warm but cloudy most of the day

Mark Davidson climbed Mynydd Llysiau on April 10th, 2005 [from/via/route] Walk po153 Pen Cerrig-calch & Waun Fach from Nuadd-fawr [with] Theresa [weather] Dry but rather cloudy - tops were clear though

Sion Britton bagged Mynydd Llysiau on April 11th, 2021 [from/via/route] O Llanbedr. Horseshoe Route. [with] Solo [weather] Braf/ Cymylog

Dale Tyler hiked Mynydd Llysiau on August 30th, 2017 [from/via/route] 4th 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!

Glenn Radford summited Mynydd Llysiau on October 29th, 2015 [from/via/route] walk po105 [with] William [weather] Mist Cloud low AM Clear windy PM

Alan Smith conquered Mynydd Llysiau on July 2nd, 2015 [with] Barry

Christina Lander scaled Mynydd Llysiau 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

Robert Taylor-Marriott walked up Mynydd Llysiau on October 17th, 2014 [from/via/route] Route 64: Pen Cerrig-calch, Pen Allt-mawr, Pen Twyn Glas, Mynydd Llysiau (PGP). [with] Vince Wetton and Robert Taylor-Marriott. [weather] Sunny, cloudy & windy. - Planned to complete 7 Mountains/hills & completed 4 only as Vince passed away at SO 20750 29716.

Tim Buckley climbed Mynydd Llysiau on September 28th, 2014 [from/via/route] po153 from Neudd Fawr north of Llanbedr. Set of 8.30am arrived here at 11.48am [with] Solo walk [weather] Hot, 20 degrees - Great view of Pen Y Fan

Wyn Griffiths bagged Mynydd Llysiau on March 5th, 2014 [from/via/route] From Neuadd Fawr via Oen Twyn Glas [with] Me [weather] Dry. Wet underfoot - especially adjacent to forest en-route to Pen Twyn - One of the most scenic walk ever - drom Pen Twyn Glas to Pen Trumau (wher I had lunch)

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More Photographs & Pictures of views from, on or of Mynydd Llysiau

Pen Cerrig-calch, Pen Allt-mawr, Tal-Trwynau, Pen Twyn Glas, Mynydd Llysiau and Pen Trumau from Waun Fach

Pen Cerrig-calch, Pen Allt-mawr, Tal-Trwynau, Pen Twyn Glas, Mynydd Llysiau and Pen Trumau from Waun Fach

Photo: Jon Rimmer (2)

Mynydd Llysiau from Pen Trumau

Mynydd Llysiau from Pen Trumau

Photo: Jon Rimmer (4)

The Grwyne Fechan valley from Mynydd Llysiau

The Grwyne Fechan valley from Mynydd Llysiau

Photo: Jon Rimmer (8)

*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)

Pen Trumau and Waun Fach from Mynydd Llysiau

Pen Trumau and Waun Fach from Mynydd Llysiau

Photo: Jon Rimmer (6)


Send us your photographs and pictures on, of, or from Mynydd Llysiau

If you would like to add your walk photographs and pictures featuring views from, on or of Mynydd Llysiau 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 Mynydd Llysiau via Facebook

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NB. Please indicate where each photo was taken.




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