This underground labyrinth of netting is a giant trampoline playground set inside a slate quarry cavern in the Welsh mining town of Blaenau Ffestiniog. Developed by Zip World, Bounce Below will open in just a few weeks and will offer visitors a playful experience deep beneath the surface of the earth.
The tourist attraction features three giant trampolines suspended across the cave, ranging from 20 feet to 180 feet high. Ten foot net walls prevent people from climbing out, while walkways connect the trampolines, and slides offer an easy way to exit. As visitors jump around, the walls of the surrounding cavern are illuminated with glowing blue, green, pink, and purple lights.
“We got the idea when my business partner saw this done in woods in France but this has never been done in a cavern, this really is a world first in Wales,” says Sean Taylor, owner of Zip World. “It’s a one hour activity where customers get dressed up in a cotton overall and given a helmet, they then jump on a train and travel inside the mountain.”