To this question we answer "no matter". It is above all an adventure, your adventure! We offer a complete crossing of the Belledonne moutains from Vizille (Isère) to Aiguebelle (Savoie). This beautiful tracks of 144km and 10900mD+ start from 250m to 2950m altitude through all Alpine stages. You will discover numerous altitude lakes and forests, you will go through scree and moraine, glacier and torrent and hopefully you will see chamois and ibex. A Crossing without concessions,on altitude tracks, far away from roads, only on wild field. This Crossing will require adequate training, both physically and mentally. Welcome to belledonne, Here we sow with courage and perseverance in order to harvest wonderment. Florent HUBERT President Echappée Belle