An iconic paved road to Zillergrund-Stausee
Zillergrund-Stausee is a high mountain reservoir at an elevation of 1.850m (6,069ft) above the sea level, located in the Zillertal in the Austrian state of Tyrol.
The road to the reservoir is paved but pretty narrow, with steep sections, up to 13.3%.
Pic: Roberto Estivill