The botanical garden of Arroyo Activity · Arroyo de la Encomienda, Campiña del Pisuerga, Valladolid Image of Arroyo de la Encomienda, not of the place itself. Opened in 2007, it is one of the leading green spaces of the alfoz of Valladolid and arranges by collections the flora of the Duero basin in a municipality that in two decades has multiplied by six. Photo: MiguelAlanCS (CC BY-SA 4.0) What to see and do in Arroyo de la Encomienda