Viewpoints of the Sierra Espuña in Pliego Nature · Pliego, Río Mula, Murcia Pliego's territory forms part of the Sierra Espuña Regional Park and offers viewpoints such as the Alto de la Muela de Pliego and the Alto de la Almoloya, as well as the Ermita de la Santa and old snow wells once used to keep ice. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Pliego