Llechwedd Slate Caverns is not your average museum! Set in 2000 acres of land above the town of Blaenau Ffestiniog we’re a living, working slate mine that has been active since opening in 1836.

We offer 2 very individual and unique underground experiences that take you deep into the mountain to explore the mysterious world of the Victorian slate miner. Believe it or not the temperature underground is a pleasant 54F throughout the year making the caverns ideal for a day out come rain or shine.

For more information on the Deep Mine Tour and Miners’ Tramway Tour simply click on the links.

We’re still producing top quality ‘Greaves Portmadoc Slate’™, which is why you might hear the sound of blasting coming from the mountains! Interested in our slate products? Visit our online shop.

Explore our site at your leisure and should you have any questions at all
simply give us a call on 01766 830306 or email us.