The descent to the Barco lagoon follows a rough and delicate terrain through the Cuadrada lagoon to the shore of the great mountain lake where the Galín Gómez gorge begins. On the wall of the lagoon there is a mountain refuge and the short-distance path PR-AV 36 begins, which descends to the right of the glacial basin. The layout of the path improves immediately, especially when it reaches the terrain of the mountain pastures. At the Chozo de Anselmo de Las Escaleruelas you have to leave the short-distance trail, which follows the main lane to the left, and continue straight down towards the valley basin along a hillside complicated by vegetation. The path first passes over two ditches and a couple of bridges and then crosses the main stream of the valley, descending from the high peaks along the right bank of the gorge. The layout is imprecise at first and sometimes they get lost in the grassy fields.