Drive to Sylvester carpark on Friday afternoon and walk to Sylvester Hut (1.5 hours). Get an early start on Saturday and walk across the tops of the Lockett Range to Fenella Hut (10+ hours). Sunday walk out to Trilobite with the easier group (4 hours) and get dropped back to the cars. Tents must be carried. $15 hut ticket each hut.