Episode 2: Sébastien de Sainte Marie's "Carnets de Trail" series continues, with dramatic landscapes in amongst the Obwaldian mountains.
Episode 1: To open Sébastien de Sainte Marie's "Carnets de Trail" series, one of the most beautiful ridges in the Bernese Oberland, the Hardergrat.
Swiss steep skier, Sébastien de Sainte Marie's hunt for extreme first descents - through avalanches, dehydration and a lot of French cursing. .
With only one month to recover from serious injury, extreme skiers Sébastien de Sainte Marie and Adelin Favre make a second descent of a steep line down the north face of Piz Spinas (3823m), a mountain in the Alps straddling South Switzerland (Graubünden) and Italy in the region of Engadin.
Sébastian de Sainte Marie and Adelin Favre make the first ski descent of a classic line down the north face of Tour Salliere, in Switzerland's Chablais Alps .