Route outline for walk po135:
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
Peaks, Summits and Tops reached on this walk:
![]() 3 Welsh Mountains |
![]() 0 Wainwrights |
![]() 4 Welsh Nuttalls |
![]() 0 Welsh Deweys |
![]() 0 Wainwright Outlying Fells |
![]() 0 Welsh Marilyns |
![]() 0 Bridgets |
Peak Bagging Statistics for this walk:
The highest point of this walk is Pen Allt-mawr at 719m (2362ft). Pen Allt-mawr is classified as a Welsh Mountain (Hewitt) (62nd highest in Wales, 150th highest in England & Wales)
Pen Allt-mawr is also known as a Welsh Nuttall (78th highest in Wales, 186th highest in England & Wales). The summit of Pen Allt-mawr is marked by an Ordnance Survey Trig Point.
Completing this walk will also take you to the top of Pen Cerrig-calch at 701m (2300ft). Pen Cerrig-calch is classified as a Welsh Mountain (Hewitt) (67th highest in Wales, 172nd highest in England & Wales)
Pen Cerrig-calch is also known as a Welsh Nuttall (86th highest in Wales, 217th highest in England & Wales). The summit of Pen Cerrig-calch is marked by an Ordnance Survey Trig Point.
You will also reach the summit of Mynydd Llysiau at 663m (2175ft). Mynydd Llysiau is classified as a Welsh Mountain (Hewitt) (94th highest in Wales, 227th highest in England & Wales)
Mynydd Llysiau is also known as a Welsh Nuttall (125th highest in Wales, 303rd highest in England & Wales).
Along the way you will also bag:
- Pen Twyn Glas at 646m (2120ft). Pen Twyn Glas is known as a Welsh Nuttall (143rd highest in Wales, 339th highest in England & Wales).
You can find more walks near this one 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):
Some Photos and Pictures from Walk po135 Pen Cerrig-calch and Mynydd Llysiau from Nuadd-fawr
In no particular order . . .

Table Mountain from Trwyn Ysgwrfa en-route to Pen Cerrig-calch one January morning in 2012

*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
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