Davos is a large city located in Landwasser Valley in the Canton of Graubunden, Switzerland. Davos is primarily known as a conference center. To this end, it has a modern congress center, where every year takes place the World Economic Forum, known for WEF. Davos is also a major center for winter sports destination being fans of skiing and snowboarding. At altitudes between 1,124 and 2,844 m, visitors will find 58 ski lifts, 320 km of slopes, 75 km of Nordic ski trails, two artificial ice skating rinks, as well as the largest natural ice rink across Europe.