The Norwegian railway network stretches from Kristiansand in the south to Bodø, above the Arctic Circle. It is even possible to travel by train to Narvik, which is connected to the Swedish railway network. The Norwegian railway network is more than 4,000 kilometres long, with a total of 775 tunnels and more than 3,000 bridges. The most famous routes are the Bergen line and the Flåm line, although most of the routes go through changing, scenic countryside, deep forests, mountains, and lakes and fjords.