What is Susten?
Susten Pass (German: Sustenpass) (el. 2262 m.) is a mountain pass in the Swiss Alps. The pass road, built from 1938–1945, connects Innertkirchen in the canton of Bern with Wassen in the canton of Uri. A 300 metres long tunnel crosses the pass at 2,224 metres.
The pass is popular with tourists, especially for the views of the Stein Glacier on the south side.