Pen Cerrig-calch Pen Cerrig-calch Pen Cerrig-calch is a subsidiary summit of Waun Fach in the Black Mountains in the Brecon Beacons National Park in southern Powys, Wales. Its summit, at a height of 701m (2,300 ft), is marked by a trig point. The peak sits high above the River Usk valley as it narrows above the small town of Crickhowell.The views from here are wide-ranging and extend as far as the Beacons themselves to the west. A ridge runs off to the northwest and the shoulder of Pen Gloch-y-pibwr then turns north to the secondary top of Pen Allt-mawr whose peak at
Pen y Fan Corn Du. It takes its name from a large coaching inn with a pitched slate roof (named after a local landowner, Storey Maskelyne), which was demolished in 1924. The site of the original inn is east of the centre, on the northeastern edge of the Pont ar Daf car park. Buses stop on either side of the A470 outside the centre. The car park at Pont ar Daf, from the Storey Arms centre, is the most popular access point for tourists and walkers to Pen y Fan. The car park, which has space for around 50 cars, is owned by