To access the via ferrata, you will have 30 minutes of trekking. Two very distinct itineraries are proposed:
"La Primevére à l'Oreille d'Ours" owes its name to a plant on the site that you will discover by traversing the Via Ferrata. After the passage of beams to cross the diedre, the less seasoned will be able to leave by the first escape. Then comes the most vertiginous part of the route: a path above a vertical of 50 meters comfortably equipped with wooden sleepers, to take full advantage of the grandiose panorama on the Bourget lake. In the end, an inverted ladder leads you into a speleological surprise.
Then you go to discover the other side of the Roc du Cornillon, with beams and monkey bridge. After all these wonders, a second escape allows you to join the belevédére to rest.
You can continue then by the second route "of the Rock of Cornillon" incontestably dedicated to the initiation.
The departure is from the belévdère Roc du Cornillon. then you going dive into the compact slabs of the south face, alternating relaxing turns to admire a little more this unique landscape: undoubtedly, one of the most beautiful panoramas of the Bourget lake.
the exit takes you to the Belévéder du Roc du Cornillon where you can enjoy a 160 ° view of the Bourget lake.
The wayback need 25 minutes, by the same trails as the outbound.