Col de Portet d'Aspet (West side) par Fronsac

First flat kilometers until you reach Fronsac. Here begins the non-strenuous climb to the Col des Ares. After descending, the route has other not difficult climb sections. We take the Route des Cols.
We begin to climb the Portet d'Aspet. On our left we see the Memorial Fabio Casartelli, a deep sadness invades us. Now the climb is very challenging and so will all the over four kilometers left until the summit.
Descent to Saint-Lary, and then the easy final kilometres that leads us to Audressein.