It starts in the Sierra de Neila, in Burgos, and ends its tour in Granja de Torrehermosa in the countryside south of the province of Badajoz. Cross the Duero river through the city of Aranda de Duero (Burgos) and enter the province of Segovia. The Central System crosses it through the port of Somosierra. From Madrid, it goes to Zújar, Cáceres, where the tour concludes.