An adventure sport that attracts tourists by its very name.

It is an exciting, vertical descent under the ground. At the entrance, participants receive the necessary equipment for descending into the pit.

The entrances are tailored to the participants so that they are large enough and easily passable. After the first  few meters of descent we find a pleasant refreshment at a temperature far lower than outside.

In this activity, the speleological technique of descending through the ropes is also applied - this technique is harmless with the insurance of experts and provides a feeling of real adventure in the interior of the earth.