On a walk in the some of the most spectacular mountainscape, the geopark expert for Brecon Beacons National Park will share some of the geological wonders of the National Park and the stories behind the landscape of the Black Mountains between Hay and the Usk Valley. The walk will be abouut 3.7 miles long, with a 250 metre ascent.

Please wear appropriate footwear. Numbers are limited. There will be a bus journey to and from the walk location; return to Festival site by 12.30pm.