The Brecon Beacons range, in its narrower sense comprises six main peaks: from west to east these are: Corn Du, 873 metres (2,864 ft), Pen y Fan, the highest peak, 886 metres (2,907 ft), Cribyn, 795 metres (2,608 ft), Fan y Big, 719 metres (2,359 ft), Bwlch y Ddwyallt, 754 metres (2,474 ft), and Waun Rydd 769 metres (2,523 ft). 

Snowdonia (Welsh: Eryri) is a mountainous region in northwestern Wales and a national park of 823 square miles (2,130 km2) in area. It was the first to be designated of the three national parks in Wales, in 1951.