If you like a challenge and want to experience the beauty of Bannau Brycheiniog, Step this way and take on the Pen Y Fan horseshoe in a way you may never have experienced it before. You will reach the summit of pen Y fan via three other peaks. The route starts at Torpantau and leads straight up to the top of Blaen Glyn. You will then conquer Fan Y big, Cribyn and finally Pen Y Fan, before following the ridge to descend back to the start. The route is a total of 20km (12miles) in length with 2949ft of ascent (983m). The Day will be led by Mountain Leaders from Parc Bryn Bach. This route does require a very good level of fitness.