Gudvanga Tunnel (Norwegian: Gudvangatunnelen or Gudvangentunnelen) is located in the municipality of Aurland in Sogn og Fjordane county, Norway. The tunnel connects the village of Gudvangen, at the head of the Nærøyfjord, with the Undredalen valley and is part of European Route E16. At 11,428 metres (7.1 mi) in length, it is Norway's second longest road tunnel.