From Becs de Bosson, it’s a rapid descent to the Lac de Lona, a short climb to the pass, Basset de Lona, and over into the Moiry Valley.
After running the length of the Lac de Moiry, the first day of the 6-Stage route finishes with a climb along the moraine to reach the Moiry Hut at 2825 meters.
Bonus Peak: Becs de Bosson (3148m) 2km, 273m+/-
From the Moiry Hut, follow STAGES 5-9.
Download the GPX file here: http://bit.ly/ViaValaisStage6