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Welcome to Rock UK Summit Centre

Summit Centre, formerly known as the Welsh International Climbing Centre, is located south of Merthyr Tydfil in the South Wales Valleys just 10 minutes from the A470 and under an hour from the centre of Cardiff. It is built on the site of the former Trelewis drift mine which closed in 1989. The Taff Bargoed Development Trust redeveloped the site and in 1997 it became an international indoor climbing centre.

The indoor climbing walls are up to 18 metres high with over 180 climbing routes in the main climbing centre plus an additional bouldering area. The centre also has a world class man-made caving system with a waterfall inside.

Rock UK has extensive expansion plans for the centre which will include developing the land to accommodate exciting outdoor adventure activities including an extended high ropes course, low ropes and archery and developing the already substantial residential accommodation.

We have been busy developing and extending our range of available activities making the time you spend with us much more adventurous and exciting. Take a look at the range of activities available. We’re making good use of the extensive natural resources in and around the South Wales Valleys and the Brecon Beacons offering activities such as off-site mountain biking, climbing and walking plus water based activities at the Taff Bargoed Millennium Park which will include open canoeing, kayaking and raft building.

Take a look at our great range of Courses available at Summit Centre.

Check out the breathtaking scenery and landscape of Merthyr Tydfil

Rock UK Summit Centre, Old Drift Mine, Trelewis, Treharris, CF46 6RD


For bookings or further information please call 01443 710090 or email


If you’re looking for something for the children to do during the school holidays, Summit Centre always has a great range of activities available.  Please check out our page about Activities During School Holidays to see what's coming up during the next school break.

Take a look at the Kids Climbing Clubs and Courses we have available. 

For further information or to book spaces on any of our holiday activities please give us a call on 01443 710090.



Centre Director


Rachel joined Rock UK in November 1999 having worked both in Canada and the UK in a range of instructional roles. After a variety of roles within the company she now lives in the Welsh valleys with her dogs Sparky and Tilly and loves spending time in the hills and on the coast. She is a member of the Christian Rock and Mountain Club, a Deacon at her local Baptist Church and a keen climber, hillwalker and mountain biker.

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