This is the main long-distance hiking trail that crosses Corsica from north to south. There is no doubt that the GR20 is one of the best trails in the world. Its reputation precedes it, and most hikers who take it describe it, in retrospect, as one of the most difficult they have ever walked. The route climbs high into the mountains and stays there for days, taking ordinary hikers into terrain usually reserved for mountaineers..
Our complete dossier on the GR20