The Höllgrotten Baar were discovered in 1863 during the mining of tuff stone and were made more and more accessible until 1917. Thanks to an artificial connecting tunnel, you can …
Tunnels, caves, single trails... A completely surprising and surreal area so close to the city of Zurich. The paths here are narrow and are often used for walking and hiking. …
The main entrance of a larger cave, which can be entered while standing. Several passages in the rock, one of which comes to light on the other side. However, that …