World’s Biggest Underground Trampoline Opens in Wales


Snowdonia, WALES — Imagine making the last turn down the tunnel of a humongous, abandoned mine shaft, into the dark depths of a 200-foot cave in a mountain in Wales…

Sounds fun right? No way! But, what if I told you that tunnel will lead you to something amazing like the world’s biggest underground trampoline. Now, the walk doesn’t seem so scary, huh?

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The instant you  turn that corner, you will hear nothing but “ooohs” and “ahhs” from the kids all around you. But, it’s not about the fact that they’re standing inside a 176-year-old mine, but that they have embarked on massive trampolines, suspended from wall to wall, that really has these kids jumping.

So, awesome,” says starry-eyed 4th grader named Elai Hughes. She is one of the 50 local kids and teens that was lucky enough to get a sneak preview at “Bounce Below”. The  new underground collection of trampolines that made it’s debut during the 4th of July weekend.

The creators of Bounce Below say that their creation of over 10,000 feet of netting and ropes makes Bounce Below the world’s biggest collection of trampolines. It has three levels visitors can jump on – the highest is 180 feet up from the floor of the cave – and each trampoline is connected by slides, ladders and chutes.

“It was scary at first, but then it’s really cool,” 6th grader student Cian Williams told us about the 60-foot slide that she rode to get to the bottom trampoline.


 Visitors to the underground world of bounce all are required to have to wear helmets and bright orange overalls for safety reasons. Each of the three trampolines are surrounded with nine-foot mesh to keep the jumpers from bouncing out.

Children must be over the age of 12 to enter. After a safety meeting and a short trolly ride into the mountainside, all “bouncers” get to spend an hour bouncing, sliding, playing, and exploring the cave. The trampoline heights, views, and drop slides can be intimidating – but they’re also fun, according to the project’s developers.

“We are not trying to make this an amusement ride,” said Sean Taylor, Commercial Director of Bounce Below. “As long as people are coming and they are safe and they have a great time…we’ve made this as safe as we possibly can.”

“When I first heard about this, I wasn’t so sure. It’s a beautiful cave – and they put a trampoline in it?” local resident Aaron Davies says during his visit. He was obviously sweating and out of breathe after just getting out of the 60-foot slide, but he was smiling and said he’s hooked on “Bounce Below!”

“We’ve got thousands of these caves, and this is such a new way to see them and experience them and jump around and have a lot of fun,” he says.

Watch the clip below to know more about Bounce Below.

Check out other places where you can have fun here The World’s Most Unique Amusement Parks



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