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
Muránska planina National Park about 25 km. The lowest situated site in the national park is located close to the village of Muráň at an altitude of 400m AMSL. The highest point is Fabova hoľa at 1,439 m AMSL, however, a higher peak, Stolica at 1,476 m is located in the buffer zone. Stolica is also the highest peak of the Slovak Ore Mountains. There are more than 150 notable caves, which are inaccessible to the public. Flora in the National Park is notable for its biodiversity and species richness and includes 35 endemic and sub-endemic species, for example, "Daphne arbuscula". Forests cover about