 The line then runs through the 1 @,@ 341 @.@ 5 @-@ meter @-@ long ( 4 @,@ 401 ft ) Nåli Tunnel , the longest on the line . At the end of the tunnel lies <unk> Station , traditionally serving the farm furthest up in the valley . The station is 6 @.@ 34 kilometers ( 3 @.@ 94 mi ) from Myrdal and 557 meters ( 1 @,@ 827 ft ) AMSL . On the other side of the valley is <unk> , the site of several avalanches every year . The line then runs through the 1 @,@ 029 @-@ meter @-@ long ( 3 @,@ 376 ft ) <unk> Tunnel , after which it reaches <unk> Station , 8 @.@ 40 kilometers ( 5 @.@ 22 mi ) from Myrdal and 458 meters ( 1 @,@ 503 ft ) AMSL . The railway then crosses the river <unk> and runs through a series of short tunnels . 
