Looking west to Cefyn yr Ystrad 617m summit and on to Pen Y fan and Corn Du. The route to this summit passes through an impressive limestone quarry - much used by those of the "lets... off road!" fraternity - if only they knew what real off road was, anyway the nearest village Trefil has a strange "edge of civilisation" feel - not unlike Titterstone Clee in Shropshire - both being seen-better-days quarrying settlements. Trefil was the northern most point of Aneurin Bevan's constituency and much visted by him for walking