Mountain Railway

Nilgiri Mountain Railway (NMR)

  • The Nilgiri Mountain Railway (NMR) connects Mettupalayam with the hill station of Udagamandalam (Ootacamund or Ooty) in Tamil Nadu.
  • It uses rack and pinion system to climb the steep gradient(1 in 12 steepest in India), the only railway line in India to use this system.
  • NMR was opened in 1908 and was operated by the former Madras Railway Company.
  • In 2005,UNESCO added the Nilgiri Mountain Railway to the World Heritage Site.
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