Different corners of Sobrarbe Corners of Sobrarbe Flooded villages- a tour of the villages on the edge of the Mediano and El Grado reservoirs. Biello Sobrarbe (from Guaso to Bárcabo) Bajo Peñas (from Pueyo de Araguas to Laspuña) The Pineta Valley The Gorge and Valley of Escuaín The Añisclo Valley Ordesa Valley The Chistau Valley