In Heidenheim an der Brenz, at the eastern edge of the Swabian Alb.
The Brenz-region of Heidenheim is known as one of the most beautiful parts of the Swabian Alps. Specifically chosen hiking tours involve exclusive formations such as the ocean of boulders, karstic springs, caves, and meteorite craters.
The Brenz-region is part of the Swabian Alps Geopark. Once flooded by prehistoric oceans, a unique countryside has formed over millions of years.