Zinal > Espace Weisshorn by gondola, then from Espace Weisshorn to Grimentz on foot
From Espace Weisshorn, continue up to Corne de Sorebois. From this summit, start the descent down the back of the mountain towards the Barrage de Moiry. After descending about 4/5 of the way, turn left onto Chemin 2500, which you can follow to the Cabane de Moiry.
