To come easily home:
After "Chorges" do not rise to the village of Prunieres.
Stay on RN 94, after 4 km take direction(management) Vière to the left (under railroad) at the level of the bay(berry) st Michel.
After " Savines the lake " to stay on RN94 not to go up(not take up) to the village of "Prunieres" after 6 km at the level of the bay(berry) st michel, set on the right " Viere " under railroad.