Discover the unique heritage of Welsh Slate
Llechwedd Slate Caverns of Blaenau Ffestiniog is part of a living, working slate mine still being worked to this day by Greaves Welsh Slate - since 1836.
We offer 2 unique underground tours that take you deep underground to explore the world of the Victorian slate miner. The temperature underground is an ambient 54F making the caverns ideal for a family day out - come rain or shine.
Plenty of all year surface facilities to enjoy - shop, cafe, slate workshop (with daily demonstrations) plus the Victorian Village (April-September) with its traditional tavern and old fashioned sweet shop.
The Deep Mine Tour:
Descend deep underground and be guided on foot via ten "sound and light" sequences.
Experience the unforgettable beauty of the underground lake as the story of the slate miner's life unfolds.