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
Pen y Gaer stone can be seen, as can those of a chevaux-de-frise. The entrance is to the west, and access can be gained from a car park, reached by the road from the village. Pen y Gaer Pen y Gaer (or Pen-y-gaer) is the location of a Bronze Age and Iron Age hillfort near the village of Llanbedr-y-Cennin in the Conwy valley, Wales. A natural defensive site, it had a long history of occupation, indicated by the complexity of the defences, which were amended over time. There are two Bronze Age cairns on the north-west slope, and extensive prehistoric and later field