Danube conservation and touristic development of the Danube region. In medieval Regensburg, with its maintained old town, stone bridge and cathedral, the Route of Emperors and Kings begins. It continues to Engelhartszell, with the only Trappist monastery in Austria. Further highlight-stops along the Danube include the "Schlögener Schlinge", the city of Linz, which was European Capital of Culture in 2009 with its contemporary art richness, the Melk Abbey, the university city of Krems and the cosmopolitan city of Vienna. Before the Route of Emperors and Kings ends, you pass Bratislava and Budapest, the latter which was seen as the twin town
Ablach (Danube) , at a cost of . The exploitation of gravel pits has also led to changes in the course of the Ablach. The water level of the Ablach is measured by the regierungsbezirk Tübingen measured in three locations: one measuring device is in Menningen and two in Mengen, where the Ennetach and Mengen distributaries are measured separately. On the Schwackereute Plateau, the European Watershed is visually marked by a sculpture called the by Peter Klink, erected in 2007. Ablach (Danube) The Ablach is a right tributary of the Danube. It rises on the European Watershed, which is only a hint