Kielstein is a mountain with a height of about 1,881 meters (6,171 feet) and is one of the peaks of Mount Gaul in the Berchtesgaden Alps, which has a height of 2522 meters, and is a destination for many hiking lovers due to the beauty of nature and views along the path. It is also famous for the Kielstein Cottage. The mountain, which is also called the "Eagle's Nest", was built in 1938 and became a popular tourist destination.