The Torsby Ski Tunnel is an indoor ski facility located in Torsby, Sweden. It is the longest ski tunnel in the world, stretching over 1,000 meters. The tunnel allows skiers to practice year-round, regardless of weather conditions, making it a popular destination for both recreational and competitive athletes. Inside the tunnel, the temperature is maintained at a cool level, and the snow is produced using a special snow-making system. The facility features a variety of tracks for different skill levels, and it also offers equipment rentals and training programs for those looking to improve their skiing techniques.