Sustenpass
A long, steady pass in the Bernese Alps: 27.7 km at 5.8% from Innertkirchen up the Gadmertal to 2224 m, rarely steeper than 9%. The last kilometres open up to views of the Steingletscher.
- Start: Innertkirchen
- Length: 27.7 km
- Elevation gain: 1,600 m
- Average gradient: 5.8%
- Max gradient: 10%
- The road was built between 1938 and 1945 and opened to traffic in 1946.
- About 5 km below the summit the road passes the Steingletscher glacier and the hotel of the same name.
- The Sustenpass is one of the passes of the Alpenbrevet, a Swiss cyclosportive over several Alpine passes.
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