Brecon Beacons Mountain Centre which explore the common of Mynydd Illtud beside which the Centre is situated. From the grounds and in particular from the terrace there are good views of the two highest peaks in the Brecon Beacons, Pen y Fan and Corn Du. There is a three-dimensional relief map of the entire National Park and a geological display featuring the various rock types of the area. Short films about the National Park and the Geopark can be viewed in the Centre. A grassed area in front of the building is available for children to play games and for picknicking. Brecon Beacons Mountain
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.