For the plain of field of fields. The natural road Verde Verde of the Secondary Train of Castilla has almost 30 km in length, and has been projected on the old railway layout of the emblematic railway called as "Tren Burra" for its slowness. It was built to transport the enormous cereal production of the region to the Cantabrian ports. The natural road part of the city of Palencia and crosses the municipal terms of Grijota, Villamartín de Campos, Mazariegos, Baquerín de Campos to end in Castromocho. The tour allows you to enjoy the land of fields and its extensive cereal fields, as well as the wetlands recovered from the Nava Lagoon and the Boada Lagoon and the associated flora and fauna. The recovered layout allows the connection of two of the branches of the Castilla Canal, the Campos branch and the southern branch at the height of the Palencia capital. This double connection with the Castilla Canal allows circular tours from the capital or the set of the Castilla Canal.

For the plain of field of fields. The natural road Verde Verde of the Secondary Train of Castilla has almost 30 km in length, and has been projected on the old railway layout of the emblematic railway called as "Tren Burra" for its slowness. It was built to transport the enormous cereal production of the region to the Cantabrian ports. The natural road part of the city of Palencia and crosses the municipal terms of Grijota, Villamartín de Campos, Mazariegos, Baquerín de Campos to end in Castromocho. The tour allows you to enjoy the land of fields and its extensive cereal fields, as well as the wetlands recovered from the Nava Lagoon and the Boada Lagoon and the associated flora and fauna. The recovered layout allows the connection of two of the branches of the Castilla Canal, the Campos branch and the southern branch at the height of the Palencia capital. This double connection with the Castilla Canal allows circular tours from the capital or the set of the Castilla Canal.