The GR 8.1 towards Cuevas de Cañart approaches the track to the Crespol neighborhood and from there heads down the path to descend to the ravine and pass between the rock walls of El Estrecho. Once on the forest trail, the GR goes up the valley on the left side until it reaches the town of Cuevas de Cañart.
Source:
Tourist Trails of Aragon
