Scenic route
Höllentalbahn
Freiburg → Donaueschingen · Germany
- Distance
- 75 km
- Fastest time
- ≈ 1 h 30 min
- Top speed
- 100 km/h
- Operator
- DB Regio
- Train
- Breisgau S-Bahn EMU
- Countries
- Germany
- In service since
- 1887
Germany’s steepest main line climbs Hell’s Valley at 55 ‰ — through the Hirschsprung gorge and over the Ravenna viaduct into the high Black Forest.
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