Intriguingly, the attraction, called the Schlossberg Slide, is completely hidden inside the tree-covered Schlossberg mountain, which lords it over ... hill's iconic clock tower, named the Uhrturm ...

Austria is a country that captivates visitors ... The Schlossberg, a hill in the heart of the city, is a must-see. At the top, the clock tower offers a panoramic view of Graz's red roofs.