Guidebook with maps/step-by-step
Walk up the right bank of the Arve from the Vernaz woods to rue des Jardins, at the entrance to Annemasse.
Continue along the right bank past the casino, rue de Vernand and into the wooded Creuse area as far as the Menoge confluence (footbridge).
A steep climb under the freeway brings you to the access road to the Arthaz hydroelectric dam (point 448 m on the IGN map).
2 Km After crossing the road, take a hillside path to the hamlet of Truaz.
Alternative route :
From the étangs des Iles to Etrembières, follow the left bank to the Zone bridge, which you cross to join the right-bank path.