The Cañada Real Burgalesa as it passes through Castronuevo Nature · Castronuevo de Esgueva, Páramos del Esgueva, Valladolid Image of Castronuevo de Esgueva, not of the place itself. Through the municipal district runs the Cañada Real Burgalesa, one of the great cattle ways of the Mesta; its course crosses the valley of the Esgueva at 753 metres of altitude and today serves as an ecological corridor and a path for walkers and cyclists. Photo: Fundación Joaquín Díaz (CC BY-SA 3.0) What to see and do in Castronuevo de Esgueva