DISTANCE: 30,8 km
D+: 1586 mt
INFO: From Antagnod reach Barmasc and continue up to meet the Ru (channel). Pass a bridge and continue for about 10 mins. Walk your bike for 15 min down a path and start 14 tunnels (YOU WILL NEED A TORCH).
Continue till the end of the tunnels and start a great single track down to Extrepieraz. Bike back up in the forest up to Champoluc.