Cave and mining attractions | Visit Wales
Slate Mining in Snowdonia — Large Outdoors
Welsh slate: chiselling through time | The Past
Exploring The Disused Dinorwig Slate Quarry In Snowdonia Wales - YouTube
Welsh slate landscape becomes UK's newest world heritage site | Wales | The Guardian
New Snowdonia mine tour sheds light on life 500 feet underground - North Wales Live
Corris Mine Explorers - Mine Exploration in Corris, Gwynedd - Show Me Wales
Llechwedd Deep Mine - Educational Visits & School Tours - Educational Workshops & School Trips
The region that roofed the world: striking views of the slate landscapes of North Wales | National Geographic
Wales Slate | The six quarry communities of Gwynedd | Visit Wales
Snowdonia's slate mines
Blaenau Ffestiniog, Wales: Slate Mine Experience - Rick Steves' Europe Travel Guide - Travel Bite - YouTube
The breathtaking Welsh quarries which are 'a treasure trove of mystery, human endeavour and struggle' - Country Life
The Slate Landscape of Northwest Wales - UNESCO World Heritage Centre
The long-forgotten ruins on a Welsh mountaintop that could become a World Heritage Site - Wales Online
Welsh slate mines join Grand Canyon, Taj Mahal and Great Wall of China as UNESCO World Heritage Sites | UK News | Sky News
Llechwedd Slate Caverns to get underground revamp - Wales Online
Llanfair Slate Caverns in Wales - The Globe Trotter
Llechwedd Slate Caverns, North Wales Holiday Cottages
Underground Adventures in Wales You Can't Miss
Llechwedd Slate Cavern - Discover Britain
