During the winter, Ukko-Koli is a busy winter sport centre. Ukko-Koli boasts the highest FIS slopes with 230 metres of height difference and 800-15000 metre-long slopes. In addition to the slopes, there are 3 km, 5 km and 8 km scenic and hilly ski trails and a lighted track of 24 km that operates after the first snowfall in the beginning of November.