We start the day going up through the undergrowth until we reach the Agulles de Delluí. Immediately after skirting them, we enter the Delluí Valley, where we will find a series of lakes until we reach the Coll de Delluí 2,557m.
Then we will go down to climb the Carrilet, which are the remains of a wagon that transported materials for hydrological use in the early twentieth century, Refugi Colomina 2,420 m. Once past the refuge, we will climb the famous Pas de l’Ós and reach the last pass of the day, Coll de Saburó 2,667 m. We only have to go down to the Black Lake and we will reach our refuge today, the Josep Maria Blanc Refuge 2,350 m.