Riksgränsen, (Norwegian: Riksgrensen), The National Border in Swedish, is a ski-resort in Kiruna Municipality, Lappland, Sweden, 200 km north of the Arctic Circle. The skiing season is from February to June. From end of May the lifts operate under the midnight sun. One of the pistes cross the border to Norway and back to Sweden. No border control there. It is the most northern ski resort in the world. Riksgränsen is a popular location for the winter testing of pre-production cars by various European manufacturers.
https://en.wikipedia.org/wiki/Riksgr%C3%A4nsen