It is a demand sport for not controlled hints that it joins the mountaineering and the ski. In the original practice, to you ski them is placed in the sole a ribbon of skin of synthetic seal that allows to move slope up without these they slip back and in that way to be able to ascend toward the summit of some mountain to contemplate unforgettable panoramic views and then to descend for free areas, also called outside of hint, only dominated by the limit of who achieves them to ski. The other form is to take off them you ski in ascent parts and directly to walk with the boots of skiing, taking the you ski to the shoulder, subject with the hand and the arm. The other practice denominated heliski, consists on taking the skier by means of a helicopter until a mountain summit, and then to descend the same one for its own means.
The voyage ski is a demanding winter sport. The measures of security are fundamental since in high mountain the winter can be extremely hard. For such a reason it is good to possess a good form physics and to have the appropriate material, to give to know the itinerary and hour of arrival foreseen other people, to adapt the route as much as possible to the possibilities of one, and never to leave in solitary form. In general it is advisable to use the services of guides or of organized trips.
It receives the name of ski randonnée to be a practice originated in France.