Route outline for walk po129:
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
Peak Bagging Statistics for this walk:
![]() 3 Welsh Mountains |
![]() 0 Wainwrights |
![]() 5 Welsh Nuttalls |
![]() 0 Welsh Deweys |
![]() 0 Wainwright Outlying Fells |
![]() 1 Welsh Marilyn |
![]() 0 Bridgets |
Peak Bagging Statistics for this walk:
The highest point of this walk is Waun Fach at 811m (2662ft). Waun Fach is classified as a Welsh Mountain (Hewitt) (31st highest in Wales, 67th highest in England & Wales) Waun Fach is also known as a Welsh Nuttall (39th highest in Wales, 82nd highest in England & Wales) and a Welsh Marilyn (14th highest in Wales, 368th highest in the UK). The summit of Waun Fach is marked by an Ordnance Survey Trig Point.
Completing this walk will also take you to the top of Pen y Gadair Fawr at 800m (2626ft). Pen y Gadair Fawr is classified as a Welsh Mountain (Hewitt) (35th highest in Wales, 78th highest in England & Wales) Pen y Gadair Fawr is also known as a Welsh Nuttall (44th highest in Wales, 94th highest in England & Wales).
You will also reach the summit of Mynydd Llysiau at 663m (2176ft). 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 (124th highest in Wales, 302nd highest in England & Wales).
Along the way you will also bag:
- Pen Twyn Mawr at 658m (2160ft). Pen Twyn Mawr is known as a Welsh Nuttall (133rd highest in Wales, 316th highest in England & Wales).
- Pen Twyn Glas at 645m (2117ft). Pen Twyn Glas is known as a Welsh Nuttall (142nd highest in Wales, 339th highest in England & Wales).
This walk is on Ordnance Survey Maps:
OS Explorer Map OL13 | |
1:25,000 scale (Orange Covers) |
|
OS Landranger Map 161 | |
1:50,000 scale (Pink Covers) |
Some Photos and Pictures from Walk po129 The Grwyne Fechan Round
In no particular order . . .

Descending in to the Grwyne Fawr Valley from Pen y Gadair Fawr in The Black Mountains

*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
. . . load all 27 walk photos from Walk po129 The Grwyne Fechan Round
Send us your photographs and pictures from your walks and hikes
We would love to see your walk photographs and pictures walk po129 The Grwyne Fechan Round. 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 = 660 pixels (wide) x 440 pixels (high).)
You can also submit photos from walk po129 The Grwyne Fechan Round via our Facebook Page.
NB. Please indicate where each photo was taken.