Pen y Fan poor weather. There is also a major path from the Cribyn, a close-by peak to the east. The Storey Arms is an outdoor education centre beside the A470, the main trunk road between the north and south of Wales, in the Brecon Beacons National Park near Libanus, Powys, Wales. Run by Cardiff City Council since 1971, the residential centre can accommodate up to 58 people. Its activities include kayaking and canoeing, caving, hill walking, rock climbing and white water rafting. The centre is at above sea-level, along the pass between Pen y Fan and Fan Fawr, at the foot of
Tal y Fan 2,001 feet, confirming its status as a mountain. Bwlch y Ddeufaen separates Tal y Fan from the main Carneddau ridge, the closest summit on which is Carnedd y Ddelw. Pen y Castell is directly opposite to the south. Tal y Fan Tal y Fan is an outlying peak of the Carneddau mountains in North Wales. It is one of the four Marilyns that make up the Carneddau, the others being Carnedd Llywelyn, Pen Llithrig y Wrach and Creigiau Gleision. It is high, and lies midway between the Conwy valley to the east and Penmaenmawr on the coast to the north-west.