We test the world's largest underground trampoline... in a north Wales slate cavern | ITV News Wales
![There's an insane trampoline park inside an abandoned mine in Wales | Backyard adventure, Trampoline park, Dream travel destinations There's an insane trampoline park inside an abandoned mine in Wales | Backyard adventure, Trampoline park, Dream travel destinations](https://i.pinimg.com/originals/5e/be/c0/5ebec0a39665f207fd31476879f53382.jpg)
There's an insane trampoline park inside an abandoned mine in Wales | Backyard adventure, Trampoline park, Dream travel destinations
![Bounce Below, Llechwedd Slate Caverns, Blaenau Ffestiniog, Wales, UK © Clarissa Debenham / Alamy Stock Photo - Alamy Bounce Below, Llechwedd Slate Caverns, Blaenau Ffestiniog, Wales, UK © Clarissa Debenham / Alamy Stock Photo - Alamy](https://c8.alamy.com/comp/EJ0G4D/bounce-below-llechwedd-slate-caverns-blaenau-ffestiniog-wales-uk-clarissa-EJ0G4D.jpg)
Bounce Below, Llechwedd Slate Caverns, Blaenau Ffestiniog, Wales, UK © Clarissa Debenham / Alamy Stock Photo - Alamy
![Zip World Wales: award-winning day out with underground caves and a tram selling pizzas - Berkshire Live Zip World Wales: award-winning day out with underground caves and a tram selling pizzas - Berkshire Live](https://i2-prod.getreading.co.uk/incoming/article21542096.ece/ALTERNATES/s1200c/0_New-Bounce-Below-attrction-at-Zip-World-Blaenau-Ffestiniog-at-Llechwedd-Slate-Caverns.jpg)
Zip World Wales: award-winning day out with underground caves and a tram selling pizzas - Berkshire Live
![World's largest underground trampoline to open in enormous cavern at Welsh slate mine | Daily Mail Online World's largest underground trampoline to open in enormous cavern at Welsh slate mine | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2014/06/16/article-0-1ED0D44000000578-640_636x382.jpg)