Fan Nedd

Fan Nedd is a mountain in the Fforest Fawr area of the Brecon Beacons National Park in Wales. In common with the rest of the Fforest Fawr uplands it is within the county of Powys. The hill is in the form of a broad flat-topped ridge whose summit lies at 663 m (2175 ft) and is crowned by a trig point. Its southern ridge is the least steep whereas its northern aspect is steep and craggy, having hosted a small glacier in the last ice age. A prominent modern cairn marks the northern end of the plateau whilst a couple of ancient cairns are to be found on its eastern slopes. The hill is drained to the west by a number of streams running into the Nedd Fechan river whilst to the east, rainwater spills into the upper reaches of the Afon Llia. Both ultimately drain via the River Neath to the sea at Swansea Bay. Its northern face overlooks the deep glacial hollow of Blaen Senni drained by the Afon Senni, a tributary of the River Usk. The hill presumably takes its name from that of the river.