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InsideSygun|©PeterCooper/Flickr
InsideSygun|©PeterCooper/Flickr

10 Underground Adventures in Wales You Can't Miss

Picture of Hannah Freeman
Updated: 13 December 2017

Wales is a real adventure playground, both above ground and below. Whether you’re an adrenal junkie or just someone looking for breathtaking natural scenery, the caves and caverns of this beautiful country are well worth exploring. So join us in our guide to 10 underground adventures in Wales you cannot possibly miss. 

ZW Caverns 1 (Medium)

©ZipWorld

Llechwyd Slate Caverns Zip World, Snowdonia, Wales 

Question:What is more thrilling than zipping down a wire across a wilderness or through a forest? Answer: Zipping down a wire buried deep in a cave system underground in North Wales’ Snowdonia National Park. A unique experience in Wales, you journey through a series of caverns on zip wires, rope bridges, via ferrata and through tunnels. Don’t worry, safety is a definite priority

 

Dolaucothi Gold Mines, Carmarthenshire, Wales 

It is said that Welsh gold is the most expensive in the world. This National Trust-managed site, in the heart of Mid Wales, takes visitors on a journey back to the Roman times. Discover how there really was ‘gold in them thar hills’ and try your luck panning for it yourself. The underground tour offers a fascinating glimpse of life as a gold miner before the mine finally closed in the early 20th century.

Dolaucothi Gold Mines, Pumsaint, Llanwrda, Carmarthenshire  

Big Pit, Blaenafon, Torfaen, Wales

The South Wales valleys are famous for their mining communities and Big Pit, part of The National Museum of Wales, offering visitors a complete guide to not only the work of the Welsh miner but also their lifestyle, hardships and achievements. The underground tour is conducted by former miners who certainly know their stuff. As you are lowered down through the pit shaft with only your helmet lamp to guide you, your are immediately immersed in the world of an almost forgotten industry.

Big Pit National Coal Museum, Blaenafon, Torfaen, Wales  +44 (0) 300 111 2 333

The National Showcaves Centre for Wales, Powys, Wales

Dan-yr-Ogof is located to the south of the Brecon Beacons. This splendid cave system is full of beautifully lit caverns, stalactites and stalagmites and is extremely accessible. Comprising three large caverns, the main cavern, known as The Cathedral, is quite breathtaking. Within easy access of the cities of Cardiff and Swansea, the National Showcaves are ideally placed to enjoy a day above and below ground in the Brecon Beacons.

The National Showcaves Centre for Wales, Abercrave, Swansea +44 (0) 1639 730 284

King Arthur’s Labyrinth, Machynllech, Gwynedd

Mid Wales has long been associated with myths and legends. King Arthur’s Labyrinth’s guides take visitors on a journey to discover the story behind one of Britain’s best known legends. Enjoy a magical boat trip through this marvellous cave system whilst surrounding yourself with tales of dragons, giants and astounding battles.

King Arthur’s Labyrinth, Corris Craft Centre, Corris, Machynlleth, Powys +44 (0) 1654 761584

Caving in The Black Mountains, South Wales 

For a more hands-on underground experience, the Black Mountains in South Wales provide several excellent opportunities. Led by experienced cavers, following a thorough safety lesson, explore the myriad underground tunnels and caverns underneath one of Wales’ most famous national parks. Although it can get a little tight in places, it is an exhilarating experience and allows visitors to see the area from a rally unique angle.

Black Mountain Activities, Brecon, Powys +44 (0) 1497 847897

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©ZipWorld

Bounce Below, Snowdonia, Wales

This is the stuff that dreams are made of. In a cavern, in an old slate mine in North Wales’ Snowdonia, you’ll find Bounce Below – an atmospherically lit trampolining heaven. This really is a once-in-a-lifetime experience and certainly one to add too the bucket list! Safely bounce to your hearts content whilst enjoying the unique surroundings.

Bounce Below, Blaenau-Festiniog, Snowdonia +44 (0) 1248 601 444

Electric Mountain Visitor Centre, Llanberis, Gwynedd, Wales 

For those interest in technology and science, a visit to the Electric Mountain Visitor Centre is a must. Located on the shores of Llyn Padarn, Dinorwig Hydro Electric Power Station is within the country’s largest man-made cave. The six generators combine to produce 1,728 megawatts of electricity from deep within the mountain. Take a tour and learn exactly how this amazing eco-power station works.

Electric Mountain Visitor Centre, Llanberis, Gwynedd +44 (0) 1286 873636

Sygun Copper Mine, Beddgelert, Gwynedd, Wales

Historians and archaeology enthusiasts will certainly enjoy a trip to the Sygun Copper Mine in North Wales. Just outside the picture-perfect village of Beddgelert, the first miners here came with the Bronze Age and continued throughout the Roman period. The sound and light-filled self-guided tours focus on the Victorian era, when the copper mine was at full production; it finally closed in 1903. The caverns, tunnels and water features all make this an exceptionally memorable experience.

Sygun Copper MineBeddgelert, Gwynedd  +44 (0) 1766 890595