Slate Mountain Adventure

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The Ultimate Slate Caverns Experience

The Slate Mountain Adventure is the only way to experience the full, incredible story of The Slate Caverns.

Starting with a thrilling journey to the furthest reaches of the site, you’ll travel into the stunning history of the area, visiting the likes of Maenofferen, Diffwys, Foty and Bowydd Mines - some over 300 years old!

If the weather is in your favour, keep an eye out for Harlech Castle, Trawsfynydd and the Snowdon horseshoe - all of which are visible from the highest points of the tour.

Taking around an hour and a quarter, the Quarry Explorer section of the tour concludes with one of our famous hot chocolates in our Cafe, whilst your bespoke guide for the day takes you through what to expect on the next leg of your adventure…

Once you’ve finished your pitstop at the Cafe, it’s time to catch a train! Descending 500 feet into the Llechwedd Deep Mine (the deepest accessible area of the site), your bespoke guide for the day will lead you through ten massive subterranean chambers, further highlighting the incredible stories of the miners and the difficult working environment they had to endure.

On the journey you’ll learn of the rich 200 year history of mining at Llechwedd, as well how some of the chambers are now used to mature local Welsh cheese. The tour concludes with an award winning light and sound display at the underground lake. After this, you’ll get a chance to take some pictures at a hand built ‘caban’ - an area that would have housed the mine workers while they had their lunch (Cheese and Jam sandwiches of course).

Back on the surface, your tour will conclude with a slate splitting demonstration by your guide.



Prices start from £20.00 per person.

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