The gorges of Arbillas and Muelas Nature · Poyales del Hoyo, Arenas de San Pedro, Ávila Image of Poyales del Hoyo, not of the place itself. Two watercourses cross the district and come down from the foothills of Gredos towards the Tiétar valley forming pools much frequented in summer. They water the fig trees and the olive groves that sustain the agriculture of the municipality. Photo: Asqueladd (CC BY-SA 3.0) What to see and do in Poyales del Hoyo