Julier Pass

The Julier Pass is a mountain pass in Switzerland, in the Albula Range of the Alps. It connects the Engadin valley with the rest of Graubünden. At its summit, the pass crosses the watershed / drainage divide between the basins of the Rivers Rhine and Danube. The Julier Pass lies between Piz Lagrev and Piz Julier.
The road constructed in the 1820s to replace the old Septimer Pass was well built and is still easily passable after moderate widening for normal cars and trucks. In some parts, areas were rebuilt in 2009 to reduce the number of serpentine turns. Winter use requires winter tires, as well as snow chains in extremely poor weather.

Wikipedia