Riding in Austria is among the best in Central Europe, the highest pass is the Stilfser Jog or Stelvio Pass. You can make a round trip in a few hours traversing Stelvio and Umbrail pass. During the trip you are guaranteed to ride through more than 100 hairpin bends.The area around Viena is not that exciting , it is mostly undelating or flat.
Stelvio Pass Italian side
Stelvio Pass Austrian (northern) side