LLECHWEDD SLATE CAVERNS

The Llechwedd slate quarries have 250 chambers linked by 40 km of galleries. Here, you'll learn about the living conditions of miners at depths of several meters. Working by candlelight, in vast caves, on the banks of underground lakes. It's a journey to the heart of the country's culture and history. It's a must to fully appreciate the hard work of the miners.

There'salso a gigantic zip line for thrill-seekers (www.zipworld.co.uk) and an underground playground with nets and trampolines.