The trail turns left along the Senda de la Rubia, well marked with milestones of the short-distance trail PR-AV 15 towards the Pico pass, coming from Alto de Centenera. The route leaves the historic path of the Senda del Puerto del Arenal and continues along another mountain path that is part of the traditional landscapes of Gredos in the upper Tiétar, linked to mountain grazing and the natural resources used by the towns of the area. Mountain range. The Senda de la Rubia climbs a fairly broken slope with several route possibilities and enters the slopes of the Cañamarejo ravine. Part of the exclusivity of the landscape due to the tones of the rocks and the scarce vegetation is due to the fire that devastated this sector of the mountains more than a decade ago. The trail jumps over a hill and runs through the ravines of Las Majadillas and El Barrancón. In several places there are solitary specimens of pine trees that survived the fire or completely charred trunks like skeletons of forest mastodons. The path passes through the Fuente Fría spring and reaches the charming mountain area of Pradera de la Rubia, with a traditional hut at the foot of the mountain.