The walnuts of Nerpio Curiosity · Nerpio, Sierra del Segura, Albacete Image of Nerpio, not of the place itself. The walnut trees grown in the valleys of the municipal district yield a fruit of recognised quality, the Nerpio walnut, covered by a designation of origin and now a hallmark of the municipality's economy. Photo: Marczoutendijk (CC BY-SA 4.0) What to see and do in Nerpio