The considerable difference in altitude between parts of this route gives the trail its sporty reputation.

The heights of the Petit and Grand Som Martel offer fantastic views of the La Sagne Valley, the Mont Racine mountain range and the Alps. The circuit starts at La Grand Joux and is linked to the Brévine Valley, as well as the Communal course in La Sagne.

Details:
Length of course: 10 km
Difference in altitude: 150 m
Time required: approximately 1 hour 30 min.