Before the tunnel was opened in 1964 , the Bergen Line ran via Nesttun .
The 7,670 - meter ( 25,160 ft ) long tunnel runs under the northern part of the mountain Ulriken in Bergen .
Before the tunnel was opened in 1964 , the Bergen   ran via Nesttun .
The 7,670 - meter ( 25,160 ft ) long tunnel runs under the northern part of the mountain Ulriken in Bergen .