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 tour here in the heart of Snowdonia.

we are open till 5:30pm with the last tour at 3:30pm tomorrow due to underground training. Sorry for any inconvenience caused

Llechwedd Slate Caverns is situated near the historic slate mining town of Blaenau Ffestiniog. We are a 10 minute scenic drive from Betws-Y-Coed, 30 minutes from Porthmadog and 50 minutes over the mountains from Llandudno.
If you are staying near Porthmadog you can get here on the fabulous Ffestiniog Railway – with just a short connecting bus ride.

Opening Times...

Llechwedd opens at 9:00am with the first tour leaving at 09:30am we are open till 5:30pm with the last tour at 4:30pm

Every Friday the last tour is at 4:00pm.

Llechwedd is open 7 days a week and includes a new exhibition area, Slate splitting demonstrations and much more. We look forward to welcoming you.

New discovered chambers

Discover the New Chambers...
After finding the new chambers we uncovered old carts as well as withered items which were used by workers many decades ago. We have kept them to preserve the amazing feats that the miners accomplished.


For the Kids...
How about joining in with slate crafts and coaster painting to take home

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.

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.

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.