The Felbertauern tunnel is a high mountain tunnel at an elevation of 1.650m (5,413ft) above the sea level, located on the border of Salzburg and Tyrol, in Austria.
The tunnel was completed in 1967. It’s 5.282m long and usually open all year round. The road to the tunnel is asphalted. It’s called Felbertauern road (B 108). It’s protected by galleries from avalanches and rockfalls.The drive is pretty steep. Starting from Huben, the maximum gradient is 9.3%. And starting from Mittersill, the maximum gradient is 8.3%.
Pic: Ingo Birnbacher