Description
From the parking at le Casset head south west following the summer track to the lac la Douche it goes through the trees with options to cut corners.
From the lac climb NW in to the Petit Tabuc valley. Follow the valley floor to some small lakes around 2300M, from here climb the steep south facing slopes towards Valleyssart. Then continue on to the summit of the Pic du lac Combeynot by the obvious line.
Descent
Ski back the way you came up, its possible to traverse the petit Tabuc valley high to keep your speed up.