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The World’s Largest Trampoline Is In An Underground Cave

The World’s Largest Trampoline Is In An Underground Cave

I bet you didn’t even know there was a place called Blaenau Ffestiniog, let alone have the faintest idea of how to pronounce it. This tiny mining village in Wales was once the slate capital of the world, but it was left with empty caverns and masses of broken stone covering the nearby mountains when the industry declined in the ’50s. Rather than long for what once was, some local legend was like, “Hey, why don’t we turn all of these abandoned mining facilities into a bunch of awesome adventure parks – you know, bring in some mountain bikes and zip lines and huge trampolines and just see what happens?”

This is a real thing that you can do at Blaenau Ffestiniog.

Thank goodness for that noble soul because now Blaenau Ffestiniog is not only home to downhill mountain biking trails and zip lining zones – it also boasts the world’s largest and most surreal trampoline facility in an abandoned slate mine, completely underground.


The Llechwedd caverns in Wales contain three enormous trampolines within their depths. Aptly named Bounce Below, the trampolines are actually huge springy nets suspended over the cave’s abyss, connected by a series of walkways, slides and tunnels made from the same flexible material. At its highest point, the bouncy platform is a solid 55 metres above the cave’s floor. To add to the experience, the space is lit up with a flashing technicolour light show, because disco.


Each session in the subterranean playground lasts one hour, costs £20 ($43AUD) and needs to be pre-booked as the huge trampolines are a verified tourist magnet.

(All images: Bounce Below/Facebook)

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