Llechwedd Slate Caverns

Nestled in the heart of Snowdonia National Park, Llechwedd Slate Caverns offers a unique glimpse into Welsh mining history. Originating from the Victorian era, the site features an extensive network of below-ground caves, lakes, and hand-carved tunnels. Visitors can descend into the depths on the UK’s steepest cable railway, experiencing the rugged textures and cool, damp air of the underground world. Above ground, the family-friendly museum and activity center provides interactive experiences and demonstrations, bringing the rich heritage of slate mining to life.