The Karawanks Tunnel (, or Karavanški predor) is a motorway tunnel crossing the Alpine Karawanks mountain range between Austria and Slovenia, with a total length of , enclosure between the portals. Its construction began in 1986 and it opened on June 1, 1991. It connects the Austrian Karawanken Autobahn (A11) from Villach with the A2 motorway leading to Kranj and Ljubljana in Slovenia, decongesting the historic Loibl/Ljubelj and Wurzen/Korensko sedlo mountain passes.