Image of Pen y Gadair Fawr (Round Cairn) by thesweetcheat

Be-cairned Pen y Gadair Fawr is the most prominent peak (left of shot), but Waun Fach (centre) is higher. Deceptive, huh? The viewpoint is the Pen-y-Beacon/Hay Bluff trig point to the NE.

Image credit: A. Brookes (5.5.2012)