There are several router put options available in this region so most of the people choose from Tour Du Mont Blanc in Switzerland and Italy, GR20 Trail in Corsica, Cinque Terre in Italy, Salvak to Schmittenhölle hike in Austria or Engelberg Valley in Switzerland or Samaria Gorge in Greece or Green Lake hike in Slovakia. All of the listed above provides great scenery and difficulties for the march organizers.