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Mountain Railways of India
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Three narrow-gauge lines built to get colonial officials out of the heat — and still running, on the original alignments, more than a century later.
What you're looking at
One World Heritage listing covering three railways: the Darjeeling Himalayan Railway in West Bengal (opened 1881), the Nilgiri Mountain Railway in Tamil Nadu (1908), and the Kalka–Shimla Railway in Himachal Pradesh (1903). Darjeeling was inscribed in 1999 and the other two added later.
Why it matters
These lines solved the problem of climbing steep hills without long tunnels or cuttings, using loops, zigzag reverses and — on the Nilgiri line — a rack-and-pinion system where a toothed rail grips a cog under the locomotive. They are working demonstrations of 19th-century engineering, still doing the job they were designed for.
Look for these
01
The Batasia Loop
On the Darjeeling line, the track spirals over itself in a complete circle to gain height in a short distance, with Kangchenjunga behind it on a clear day.
02
Zigzag reverses
Where a loop will not fit, the train runs forward into a dead end, switches, and reverses up the next stretch. It is disconcerting the first time.
03
The rack railway at Coonoor
The Nilgiri line is India's only rack railway. On the steepest section a cog under the engine engages a toothed rail — you can see it between the running rails.
04
Steam still runs
Darjeeling keeps B Class steam locomotives from around 1900 in service on the Ghum joyride, alongside diesels on the full route.
05
It shares the road
For long stretches the Darjeeling line runs down the middle of the street, past shops and traffic, with no fence at all.
Before you go
- These are working passenger railways, not heritage exhibits — services run to a timetable and fill up.
- The full Darjeeling run from New Jalpaiguri takes most of a day; the short Darjeeling–Ghum joyride is the popular steam option.
- The Nilgiri line runs Mettupalayam to Ooty; the climb through Coonoor is the spectacular part.
- Kalka–Shimla passes through over a hundred tunnels and many viaducts.
- Landslides interrupt these lines, especially in monsoon. Check whether the section is running.
Visitor guide to Mountain Railways of India.
Visiting
Entry fee and daily timings weren't available from an official source — please confirm on site.
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