Through the incredible forces of water and ice a cave dating back to the ice age was created on the castle rock of Niedergesteln, the Feschtiloch. Different secrets turn around the cave which is walkable and illuminated since 2000. Feel like a speleologist and climb through the lighted and secured ice age cave «Feschtiloch». Good footwear is recommended. Embark only into the cave, if you do not suffer from claustrophobia.