From the refuge (2,592 m), climb Col du Cheval Blanc (2,791 m) then cross over to Passage du Pic du Thabor (2,952 m, +450 m). Head down to Lac Source (2,726 m, -220 m) and then climb Col de la Chapelle (2,943 m) to reach Mont Thabor (3,178 m, +450 m). The route back to the refuge is via Col des Méandes, Lac du Peyron and then Col de la Vallée Etroite (-830 m/+150 m).
More information