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Nilgiri Mountain Railway

UNESCO World Heritage Site
Mountain Railways of India
Name as inscribed on the World Heritage List
A journey by the NMR provides spectacular views of the Nilgiri Hills
Location Tamil Nadu, India
Length: 46 km (29 mi)
Type Cultural
Criteria ii, iv
Reference 944
UNESCO region Asia-Pacific
Inscription history
Inscription 1999 (23rd Session)
Extensions 2005; 2008
Nilgiri Mountain Railway
Route map
Dist.
Station
Code
 Elev.
to0 Coimbatore Junction CBE
1348 ft
410.9 m
00 Mettupalayam MTP
1069 ft
325.8 m
8 km
5 mi
Kallar
1260 ft
384 m
13 km
8 mi
Adderly
2390 ft
728.5 m
18 km
11 mi
Hillgrove HLG
3580 ft
1091.2 m
21 km
13 mi
Runneymede
4612 ft
1405.7 m
25 km
16 mi
Kateri Road
5070 ft
1545.3 m
28 km
17 mi
Coonoor ONR
5616 ft
1711.8 m
29 km
18 mi
Wellington WEL
5804 ft
1769.1 m
32 km
20 mi
Aravankadu AVK
6144 ft
1872.7 m
38 km
24 mi
Ketti KXT
6864 ft
2092.1 m
42 km
26 mi
Lovedale LOV
7000 ft
2133.6 m
44 km
27 mi
Fernhill
46 km
29 mi
Udhagamandalam UAM
7228 ft
2203.1 m

The Nilgiri Mountain Railway is a railway in Tamil Nadu, India, built by the British in 1908, and was initially operated by the Madras Railway. The railway relies on its fleet of steam locomotives. NMR comes under the jurisdiction of the newly formed Salem Division.

In July 2005, UNESCO added the Nilgiri Mountain Railway as an extension to the World Heritage Site of Darjeeling Himalayan Railway, the site then became known as "Mountain Railways of India" after it satisfied the necessary criteria, thus forcing abandonment of the modernisation plans.

For the past several years diesel locomotives have taken over from steam on the section between Coonoor and Udhagamandalam. Local people and tourists have led a demand for steam locomotives to once again haul this section.

The NMR track is 1,000 mm (3 ft 3 38 in) metre gauge and the railway is isolated from other metre gauge lines.

Between Mettupalayam and Coonoor, the line uses the Abt rack and pinion system to climb the steep gradient. On this rack section trains are operated by 'X' Class steam rack locomotives manufactured by the Swiss Locomotive and Machine Works of Winterthur in Switzerland.


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