Fuentes históricas de Piornal Monument · Piornal, Valle del Jerte, Cáceres Image of Piornal, not of the place itself. The fountain in the church square, dated 1908, and the fountains of Oliva Martín and Peña Negra, near the road to the reservoir; Madoz documented in 1849 the existence of four flour mills and two oil presses in the municipality. Photo: Elemaki (CC BY 3.0) What to see and do in Piornal