Shackleton Mountain Resort: your ski hotel Sestriere! The Shackleton Resort offers guests high-quality services to let them spend unforgettable holidays, as well as the special services every Ski Hotel offers, such as the ski school sestriere, where it is possible to book both individual or group lessons. Our ski school sestriere arranges courses for both beginners and amateurs, as well as special courses for expert skiers. The ski school Sestriere of the Shackleton hotel is operated by skilled instructors who will help guests spend safe winter holiday weeks and offers them the possibility to hire ski equipments.