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.

Zillergrund-Stausee

The road to the reservoir is paved but pretty narrow, with steep sections, up to 13.3%.
Pic: Roberto Estivill