Pen y Fan same noun "ban", in its plural form "bannau", is found in the Welsh name for the Brecon Beacons: "Bannau Brycheiniog". There is no one standard translation of "Pen y Fan", but 'the mountain's peak' or 'the beacon's summit' are both possible translations. Pen y Fan is formed from various units of the Old Red Sandstone which were laid down during the Devonian period. The lower slopes of the mountain are formed from the sandstones and mudstones of the Senni Formation whilst the upper slopes are formed from those of the Brownstones Formation. The very summit, like that of neighbouring Corn
Ordesa y Monte Perdido National Park i Santaló and Lucas Mallada helped promote the reputation of the region and obtain protected status for it. An area of 21 square kilometres containing the Ordesa Valley was declared a National Park on 16 August 1918 by a Royal Decree. On 13 July 1982, it was enlarged to its current 156.08 km2 and its official name was changed to "Parque nacional de Ordesa y Monte Perdido". Ordesa y Monte Perdido National Park Ordesa y Monte Perdido National Park (Parque nacional de Ordesa y Monte Perdido) is an IUCN Category II National Park situated in the Pyrenees of Huesca province,