We'll be climbing the Cwm Idwal Slabs. These magnificent rocks were folded by tectonic activity around 400 million years ago. The movement of the Earth's plates crumpled and squashed the rock into ...

The slab, measuring 24.1 by 20.1 centimeters, is made from locally sourced vesicular basalt, matching the geological composition of rocks in the area. The slab contains 60 characters carved on its ...