Llanfair Slate Caverns

The Slate Caverns are located just a short drive south from Harlech and allow you to view the slate in this mine, which is found in veins between layers of ancient Pre-Cambrian rocks, is among the oldest in the world.

The entry to this old but important slate mine is through the main tunnel, under the twin arches of the crypt, and into the lofty cathedral cavern. All man made over a 100 years ago with only a candle for lighting. As you emerge from the caverns, you face the breathtaking view of Cardigan Bay, from the Preseli Mountains in the south to the Lleyn peninsular.

There is a souvenir shop and rock mineral section that is a must, stocking an extensive range of interesting items for you to remind you of your visit to this unique slate cavern complex.