Geotrails

Formed by the gradual effects of ice and water, the landscape of the Brecon Beacons National Park is a geological story spanning millions of years.

Follow one of our Geotrails for a ground level look at this rocky heritage  from the flat-topped summit of Pen y Fan, to the craggy cliffs of Craig Cerrig-Gleisiad and the steep gorges of the Black Mountain.