Small sandstone cave on the edge of the Aare. Can easily be missed as it is not visible from the path. Always look for the access on the right side of the path, which leads down a few steps to the cave. The cave is about 50m long, dark ;-) and flows into the middle of the sandstone wall above the Aare, from where you have a beautiful view of the floodplain.
In the past, entering the cave was not entirely safe, as there is a vertical shaft in the middle. But this was covered and the cave can be explored safely. At the other end you will be rewarded with a great view.