
Departure
Oisans
Arrival
Oisans
The GR®54 circuits the Oisans and Écrins massif starting from Bourg-d'Oisans. It is one of the most demanding GR routes in France — high mountain terrain, 14 passes, slippery schist, and often late snowfall at the start of the season. Refuges are well distributed throughout. Mobile coverage is absent across most of the route — the guide works offline.
