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The Slate Caverns

Caves and Mines, Indoor and Outdoor
Profile iconAges 4+
Location iconBlaenau Ffestiniog
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Quarry explorer truck at Llechwedd Slate Caverns in Blaenau Ffestiniog

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Attraction Information

Generations of families have had their lives defined by the mining industry. At Llechwedd Deep Mine, you have a chance to interact with their stories and to hear how every expedition was a gamble, as well as an adventure!

Travel 500ft underground via cable railway into a stunningly recreated environment, with cutting edge enhanced technology. This means light projections, special effects and spectacle with projections over an underground lake! The journey takes around one and a half hours and you’ll learn loads about how this landscape was formed.

The highlight of the day has to be the brand new Quarry Explorer off road truck tour! Hop aboard a converted military 4x4 truck and explore the blasted landscape of craters and caverns. Hold onto your hats as you climb colossal peaks and descend into the troughs of man-made mountains. Plus enjoy fabulous views of the Welsh countryside.

For an unexpected treat, pick up some delicious slate-cavern-aged cheddar at the gift shop. This is an award-winning adventure for all to enjoy!

  • Brand new Quarry Explorer off road truck tour
  • Explore the slate caverns with plenty of special effects
  • Learn all about the historic mining industry

Opening hours

Monday to Sunday 09:00 - 17:30
Closed 25th - 26th December and 1st January

Last Entry

1 hour before attraction closes



Llechwedd Slate Caverns,
Blaenau Ffestiniog,
LL41 3NB,

Phone number

01766 830306


General Admission
All Ages (3+): £20.00


FAQ & Additional Information

Additional Info


The Quarry Explorer Tour does not operate in high winds or heavy rain.


Wear comfortable footwear and warm coats for both tours.

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