The Lahn Saddle () (el. ) is a high mountain pass in the Austrian Alps between the Bundesländer of Lower Austria and Styria.
It is traversed by Federal Highway B 23.
It connects the Salza river valley from Mariazell with the Mürz river valley.
The southeast side has a maximum grade of 11 percent. The west side from Terz im Halltal has a maximum grade of 17 percent. Three kilometres () away is the peak of the Göller massif (), with the Wildalpe in the south.
The town of Lahnsattel ( east of the pass) has lost one fifth of its population in recent times.
See also List of highest paved roads in Europe List of mountain passes
References