Waun Rydd

Waun Rydd is a mountain in the Brecon Beacons National Park, in southern Powys, Wales. Its height is 769m (2,523 ft) and it tops a large boggy plateau rising to the east of Pen y Fan.[1]

Waun Rydd
Left to right: Pen y Fan and Corn Du, Gwaun Cerrig Llwydion, Waun Rydd and Allt Lwyd from Cefn yr Ystrad
Highest point
Elevation769 m (2,523 ft)
Prominence170 m (560 ft)
Parent peakPen y Fan
ListingMarilyn, Hewitt, Nuttall
Coordinates51.8766°N 3.3641°W / 51.8766; -3.3641
English translationfree/open bog
Language of nameWelsh
LocationPowys, Wales
Parent rangeBrecon Beacons
OS gridSO012215
Topo mapOS Landranger 160
Listed summits of Waun Rydd
NameGrid refHeightStatus
Gwaun Cerrig LlwydionSJ066318754 metres (2,474 ft)Nuttall
Fan y BigSJ066318719 metres (2,359 ft)Hewitt, Nuttall
Allt LwydSJ066318654 metres (2,146 ft)sub Hewitt, Nuttall

The hill takes the form of a plateau with sharp rims on several sides. To the northeast is Craig Pwllfa overlooking Cwm Banw whilst Craig y Fan looks east over Cwm Tarthwynni. To the south is the edge known as Cwar y Gigfran which translates into English as 'quarry of the crow'. It marks the top of a large landslipped area extending to the stream of Blaen y Glyn below.

Several ridges extend north and east from the plateau. That known as Gist Wen runs north-northeast to the subsidiary top of Bryn (561m above sea level). The short ridges of Cefn Bach and Cefn Edmwnt run northeast whilst that of Twyn Du extends eastwards towards Talybont Reservoir. A further ridge runs southeast to the subsidiary top of Allt Lwyd (654m). To the south a broad ridge runs to a col beyond which is the top of Allt Forgan (513m).


  1. Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.

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