The Aurora Borealis Express is an overnight express train operating between Helsinki and Kolari in Finland. The train travels via many major cities and towns in Finland, and stops at most of them. The total distance is a little under 1000 kilometers, and the journey lasts for 14 and a half hours. The service is bi-directional, with a corresponding train operating southwards over the same route. The train travels northbound and southbound on varying days of the week, depending upon the time of year. Passenger demand is variable, and somewhat seasonal.