The Barre des Ecrins, the Rateau, the Bans, the Muzelle but also (and above all) the Meije, are legendary names in the world of mountaineering.
The aim here is not to list everything that can be done in Oisans, an impossible mission given the vastness of the programme, but to arouse the curiosity of visitors tempted by the vertical world.
Topo-guide, maps and solid experience are essential to start out on your own.