Route outline for walk po125:
Dolymynach Reservoir - Afon Claerwen - Llanerch Cawr - Llywdnant - Marchnant - Gorllwyn (Pen y Gorllwyn) - Bwlch Ddau Faen - Carnau - Bryn Rhudd - Drygarn Fawr (North East Top) - Drygarn Fawr - Carreg Yr Ast - Nant Paradwys - Rhiwnant - Dolymynach Reservoir
Peaks, Summits and Tops reached on this walk:
![]() 2 Welsh Mountains |
![]() 0 Wainwrights |
![]() 2 Welsh Nuttalls |
![]() 0 Welsh Deweys |
![]() 0 Wainwright Outlying Fells |
![]() 1 Welsh Marilyn |
![]() 1 Bridget |
Peak Bagging Statistics for this walk:
The highest point of this walk is Drygarn Fawr at 645m (2116ft). Drygarn Fawr is classified as a Welsh Mountain (Hewitt) (106th highest in Wales, 256th highest in England & Wales)
Drygarn Fawr is also known as a Welsh Nuttall (145th highest in Wales, 341st highest in England & Wales) and a Welsh Marilyn (47th highest in Wales, 702nd highest in the UK).
The summit of Drygarn Fawr is marked by a huge beehive shaped cairn 100m NE of an Ordnance Survey Trig Point.
Completing this walk will also take you to the top of Gorllwyn (Pen y Gorllwyn) at 613m (2012ft). Gorllwyn (Pen y Gorllwyn) is classified as a Welsh Mountain (Hewitt) (131st highest in Wales, 308th highest in England & Wales)
Gorllwyn (Pen y Gorllwyn) is also known as a Welsh Nuttall (181st highest in Wales, 426th highest in England & Wales). The summit of Gorllwyn (Pen y Gorllwyn) is marked by an Ordnance Survey Trig Point.
You will also reach the summit of Carreg yr Ast at 579m (1900ft). Carreg yr Ast is known as a Welsh Bridget. The summit of Carreg yr Ast is marked by a cairn.
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 po125 Gorllwyn (Pen y Gorllwyn) and Drygarn Fawr from Dolymynach Reservoir
In no particular order . . .

The old bridge over Afon Claerwen at the South East end of Dolymynach Reservoir
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