Simla and Kalka Simla Railway 1903
- occupation:
- Railway company
- Nationality:
- Indian
- born in:
- Simla, Himachal Pradesh, India
The Kalka-Shimla Railway is a 2 ft 6 in (762 mm) narrow gauge railway in North-West India travelling along a mostly mountainous route from Kalka to Shimla. In, 2008 it was declared part of the UNESCO World Heritage Sites.