Arun Valley Line was created in 1863.
The Arun Valley in Nepal is the deepest valley in the world. For reference, you can check the book, The Arun : a natural history of the world's deepest valley by Edward W Cronin in the year 1979. ISBN: 9780395262993 To know more about arun river that make arun valley in sankhuwasava District, Trekking trip also available to explore arun valley Explore the deepest valley in the world "The Arun valley"
Arun Valley in Nepal
Teign Valley Line was created in 1863.
Forge Valley Line was created in 1882.
Crouch Valley Line was created in 1889.
Hutt Valley Line was created in 1874.
Churnet Valley Line was created in 1848.
Tamar Valley Line was created in 1890.
Looe Valley Line was created in 1860.
Cheddar Valley Line was created in 1869.
Trent Valley Line was created in 1847.
Westerham Valley Branch Line was created in 1881.