Tosebakken is a ski resort located in Sisimiut, Greenland, offering skiing and snowboarding opportunities. The resort has a mini-lift, and the ski season typically runs from early December to early May. However, it's worth noting that the search results provided seem to be more focused on Sisimiut as a whole, rather than specifically on Tosebakken. It appears that Tosebakken may not be a well-known or prominent ski resort, and the information available is limited.