Welcome to Llechwedd where history and adventure combine to make a great day out for the whole family

We look forward to welcoming you to Llechwedd home of our world famous underground tours here in the heart of Snowdonia.

Llechwedd Slate Caverns is situated near the historic slate mining town of Blaenau Ffestiniog and is 10 scenic minutes away from Betws-y-coed and about fifty minutes over the mountains from Llandudno.
If you are staying near Porthmadog you are only half an hour away and can get here on the fabulous Ffestiniog Railway – with just a short connecting bus ride. For those staying on the beautiful Lleyn Peninsula we are about an hour from Pwllheli.

Opening Times...

The site opens at 9:30am with the first tour leaving at 09:30am we are open till 5:30pm with the last tour at 4:30pm

The NEW Victorian Mine Tour is now OPEN!

The site is open 7 days a week and includes a new exhibition area, FREE coaster painting and much more. We look forward to seeing you!

Slate Shop and Food

Shopping and Eating...
Its not all adventure at Llechwedd – you can also visit our shop for gifts and homeware made with our own slate as well as the Emporium for vintage gift ideas and traditional sweets. We have a café and tea-room as well as loads of interesting exhibits about life in the past.


For the Kids...
How about joining in with slate crafts and FREE coaster painting which you can take home

Llechwedd underground lake

An Adventure into the past...
Situated in the heart of Snowdonia we have been quarrying for slate here since 1836 and take visitors deep underground into the mine. This year sees the launch of the Victorian Mine Tour - local Guides take you through huge Caverns to experience the life of a Victorian family at work.

Zip World Coming to Llechwedd

Adventures in the air/Adventures underground...
This year we are joined by Zip World who are creating the world’s largest zip zone which will take the whole family flying across our amazing landscape. They are also building two amazing underground adventures which will blow your mind.

Ride on our Cable Railway

Take the train underground...
Take the steepest cable railway in Britain to explore the old mine workings!

slate splitting llechwedd

Craft in action …
See a quarrymen split slate - watch as a slate housename is made or shop for Welsh gifts made with Llechwedd Slate.