The Nordland Line is a 729-kilometer (453 mi) railway line between Trondheim and Bodø, Norway. It is the longest in Norway and lacks electrification. The route runs through the counties of Trøndelag (formerly Sør-Trøndelag and Nord-Trøndelag) and Nordland, carrying a combination of commuter, long-haul passenger and freight trains. From Trondheim Central Station to Steinkjer Station the line is most heavily used, with hourly services by the Trøndelag Commuter Rail. There are three branch lines—the Stavne–Leangen Line at Leangen Station, the Meråker Line at Hell Station and the Namsos Line at Grong Station.
The section from Trondheim to Hell opened on 22 July 1882. The next section, initially the Hell–Sunnan Line, opened in stages between 1902 and 1905. The line was lengthened to Snåsa Station on 30 October 1926 and then to Grong on 30 November 1929. Construction continued in a slow pace northwards, but was accelerated by the Wehrmacht after the 1940 occupation. The line was built through most of Helgeland and opened in seven stages to Dunderland Station in the next five years. The line then had to be brought up to standards before continuing northwards. It opened to Røkland Station in 1955, to Fauske Station in 1958 and to Bodø Station on 1 February 1962.
As it leaves Durango, the train’s multiple-chime steam whistle can be heard reverberating throughout the town and along the Animas Valley. As it proceeds north, the train winds alongside the Animas River as it traverses the verdant green pastures of the Animas Valley and then crosses through the spectacular and breathtaking San Juan National Forest. The remote and treacherous route through the mountains includes a dramatic and stomach-churning stretch along the edge of a narrow shelf carved into the sheer granite cliffs 400 feet above the river. 
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