Llechwedd Slate Caverns

Welcome to Llechwedd Slate Caverns

Set in 2000 acres of land between Blaenau Ffestiniog AMPERSAND Dolwyddelan. Llechwedd offer the most amazing days adventure you'll ever have.

Experience first hand on our world famous cavern tours how slate was mined and then see how it is transformed into traditional roofing slate and the famous and beautiful slate fan.

We offer a unique setting for many events from conference facilities to the country's deepest civil wedding service!

To find out about all our wonderful and unique experiences and facilities travel round our site at your leisure. Book tours online to avoid disappointment and the queues!

Enjoy your travels and we hope to see you at the Caverns very soon!


Visitors descend on Britain's steepest passenger railway, with a gradient of 1:1.8, to make the Deep Mine tour. They travel in a specially made 24-seat car, on a track with a gauge of 3ft (0.914m).


Boarding a train in a corner of the original slate slabbing mill of 1852, visitors now ride into an 1846 tunnel, hauled by battery-electric locomotive. Entering through the side of the mountain this journey into the early Victorian past remains on the level, and traverses some spectacular caverns.


Comming Autumn 2007.

Useful Information

Llechwedd Slate Caverns
Lllechwedd Slate Blaenau Ffestiniog Gwynedd LL41 3NB Wales
phone: 01766 830 306 fax:

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