![This Trampoline Park Is In An Underground Cave, So That's Cool | by Julianne Ishler | OMGFacts | Medium This Trampoline Park Is In An Underground Cave, So That's Cool | by Julianne Ishler | OMGFacts | Medium](https://miro.medium.com/focal/1200/1200/59/48/1*FdWNryqKofBsR5C_Mb3jeg.jpeg)
This Trampoline Park Is In An Underground Cave, So That's Cool | by Julianne Ishler | OMGFacts | Medium
![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/scaled/2014/06/16/article-0-1ED0D44000000578-640_636x382.jpg)
World's largest underground trampoline to open in enormous cavern at Welsh slate mine | Daily Mail Online
We test the world's largest underground trampoline... in a north Wales slate cavern | ITV News Wales
![This Trampoline Park Is In An Underground Cave, So That's Cool | by Julianne Ishler | OMGFacts | Medium This Trampoline Park Is In An Underground Cave, So That's Cool | by Julianne Ishler | OMGFacts | Medium](https://miro.medium.com/max/1400/1*6NnLdNRdDCcTb9T3pDAg9Q.jpeg)