Underground Adventures

The Brecon Beacons National Park is one of the most exciting and varied caving areas in Britain. Our Geopark includes four of the five longest limestone cave systems in Britain. Why not explore this fascinating underworld?


Our caves and caverns have been quietly forming for thousands of years, underground and out of sight. Visitors from all over the world come to the southwest section of the Brecon Beacons National Park to explore these amazing spaces and feel the thrill of discovery. For some, it’s their first ever caving trip, while others have many years of experience.

Since caving is a potentially dangerous activity, inexperienced cavers should always have a qualified instructor or leader with them. Some of the more extensive cave systems in the National Park can only be accessed with the prior permission of local caving clubs, whose experience is invaluable. There are also many outdoor centres and activity specialists in the Brecon Beacons which offer caving experiences.

Find our caving and potholing activity providers here 

Sightseeing Underground

If you aren’t quite ready to commit to the full caving experience the Dan yr Ogof Showcaves offers an amazing opportunity to explore caves and admire rock formations.

If you fancy emmersing yourself in Wales’ industrial past Big Pit should be on your itinerary.  It’s near the Park boundary to the South and the the main attraction is  the mine underground but don’t miss out the galleries on the hill – well worth a visit.

Or go underground with Dolaucothi Gold Mines, which were in use from Roman times to the 20th century. Check out their underground tours below:

-Roman Tour – Walk back in time on our Roman tour. Explore the mine and see marks left by Roman tools. Approx 1 hour.

-Victorian Tour – Get kitted up with your hard hat and lamp and delve deep into the landscape with your guide into the Victorian workings. Approx 1 hour.

-Long adit Tour– This is our shortest underground tour and is wheelcheer friendly. Please ask at Visitor Information Centre if you’d like a tour of Long Adit. Approx 30 minutes.

You must be over 95cm in height to go on an underground tour. Please wear stout footwear as there are some uneven surfaces. Spring Tour Times are from the 18 Mar – 23 Jul

guided tour look at the gold mine entrance


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