The resettlement on the Esgueva frontier Historical milestone · Canillas de Esgueva, Páramos del Esgueva, Valladolid Image of Canillas de Esgueva, not of the place itself. The place was settled at the end of the ninth century, when the course of the Esgueva marked the frontier between the Christian and the Muslim territories; that condition of borderland explains the chain of castles that marks the valley as far as Encinas. finales del siglo IX Photo: Rowanwindwhistler (CC BY-SA 3.0) What to see and do in Canillas de Esgueva