Here's a little extract from the website and they also have a very catchy Monkey Run song featuring a chorus of "come and ride our monkey bikes, sruggle up hills and get covered in sh1te" ... what's not to like

The Monkey Run is pretty stupid. It’s like a jungley, mountainy, deserty velvet glove of adventuring joy. So grab your sweaty hand and shove it inside.
There’s nothing quite like the sensation of a monkey bike between your thighs as you thunder, slowly, along dirt roads with absolutely no idea where you are. As you glance up, there, staring down at you like a baby ant in a tinyness competition might be some of the highest mountains on Earth. Imagine endless jungles lying in wait to punch your cheeky face with the fist of adventure. Imagine deserts that stretch far beyond the horizon chuckling at you woefully underpowered 2 wheel children’s toy.