Leading HF Holidays hut to hut tour. We departed Brandenburger Haus at 06:10. Long crossing of Gepatschferner. Rocky scramble still wearing crampons on to Langtauferner. Up glacier avoiding avalanche debris to Weißkugeljoch, an awkward crevasse, Hintereisjoch and then to Weißkugel. Rocky scramble to finish climb. Long descent on Hintereisferner. Arrived at Hochjochhospiz at 17:20. Weather good but a little cold. A very good day.