Mynydd Llysiau
663m (2175ft)
The Black Mountains, The Brecon Beacons, Powys, Wales
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)
1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):
1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):
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:
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Vital Statistics:
| Length: | 11ml (17.5km) |
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| Ascent: | 2,430ft (741m) |
| Time: | 6½ hrs |
| Grade: |  (Moderate) |
Route Summary:
Nuadd-fawr - Llanbedr - Table Mountain (Pen Cerrig-calch) - Trwyn Ysgwrfa - Pen Cerrig-calch - Pen Allt-mawr - Pen Twyn Glas - Mynydd Llysiau - Tal-y-maes Bridge - Hermitage Bridge - Cwm Farm - Nuadd-fawr
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Vital Statistics:
| Length: | 12ml (19km) |
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| Ascent: | 2,637ft (804m) |
| Time: | 7 hrs |
| Grade: |  (Hard) |
Route Summary:
Nuadd-fawr - Llanbedr - Darren Fach - Pen Twyn Glas - Mynydd Llysiau - Pen Trumau - Waun Fach - Pen y Gadair Fawr - Pen Twyn Mawr - Pen Gwyllt Meirch - Nantyrychain - Cwm Farm - Nuadd-fawr
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Vital Statistics:
| Length: | 13.5ml (21.5km) |
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| Ascent: | 3,175ft (968m) |
| Time: | 8 hrs |
| Grade: |  (Hard) |
Route Summary:
Nuadd-fawr - Llanbedr - Table Mountain (Pen Cerrig-calch) - Trwyn Ysgwrfa - Pen Cerrig-calch - Pen Allt-mawr - Pen Twyn Glas - Mynydd Llysiau - Pen Trumau - Waun Fach - Pen y Gadair Fawr - Pen Twyn Mawr - Pen Gwyllt Meirch - Nantyrychain - Cwm Farm - Nuadd-fawr
Fellow go4awalkers who have already walked, climbed, summited & bagged Mynydd Llysiau
Craig Barrell walked up on September 1st, 2025 [with] solo [weather] sunny
Melfyn Parry climbed it on July 16th, 2024 [from/via/route] Followed go4awalk route PO153 - Pen Cerrig Calch & Waun Fach from Neuadd Fawr. Once on the ridge the walk is relatively easy, good paths. There are some areas that are quite boggy, so be prepared if following this route after lots of rain. The first peak was hard going, lots of tall bracken & bilberry bushes to fight your way through, I was so glad to reach the top of Pen Cerrig Calch. The final path from the cairn to the minor road leading back to the car park was also overgrown with bracken & the public footpath part was seriously neglected from a maintenance perspective, although the stiles looked almost new the path itself was overgrown with nettle, bramble & even more bracken making the last leg of the walk hard work. [with] On my own [weather] Sunny spells & generally dry. For a mid July walk it was quite cool at times. - Best to avoid this walk when the bracken is in season. If you have to walk in the summer months & especially after rain, waterproofs are a must as the grasses & bracken don't dry out at their base & you can get seriously wet even though you think it's a dry day.
Paul Roddam bagged it on April 14th, 2024 [from/via/route] Hairpin up from LLanbedr [with] solo [weather] Spring sun
Donovan Suddell hiked it on May 8th, 2023 [from/via/route] Crickhowell [with] Wife [weather] warm but cloudy most of the day
Mark Davidson summited 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 conquered it on April 11th, 2021 [from/via/route] O Llanbedr. Horseshoe Route. [with] Solo [weather] Braf/ Cymylog
Dale Tyler scaled 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 walked up on October 29th, 2015 [from/via/route] walk po105 [with] William [weather] Mist Cloud low AM Clear windy PM
Alan Smith climbed it on July 2nd, 2015 [with] Barry
Christina Lander bagged it 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
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More Photographs & Pictures of views from, on or of 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
Pen Cerrig-calch, Pen Allt-mawr, Tal-Trwynau, Pen Twyn Glas, Mynydd Llysiau and Pen Trumau from Waun Fach
Send us your photographs and pictures on, of, or from Mynydd Llysiau
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